Caridina lanceifrons Yu, 1936

Tu, Do Van, von Rintelen, Kristina, Klotz, Werner, Hung Anh, Le, Anh Tuan, Tran, Van Dong, Dang, Thi Yen, Phan, Tong Cuong, Nguyen, Ngoc Khac, Hoang, Dang, Phan Doan & von Rintelen, Thomas, 2021, Taxonomy notes and new occurrence data of four species of atyid shrimp (Crustacea: Decapoda: Atyidae) in Vietnam, all described from China, Biodiversity Data Journal 9, pp. 70289-70289 : 70289

Caridina lanceifrons Yu, 1936

Caridina lanceifrons Yu, 1936: 89, figs. 4-7. [Type locality: near the lighthouse at Hai-kiu-sche in the salt water; neotype locality: pond near Qiongshan City, Haikou, Hainan, China (designation by Cai (2014)).

Caridina lanceifrons - Liang and Zheng (1988): 15; Zheng (1989): 8; Liang and Zhou (1993): 231; Liang et al. (1993): 41; Li (1997): 454; Li and Liang (2002): 709; Cai (2014): 217-220, figs. 6-7.

Caridina flavilineata Dang, 1975: 70-71, fig. 5. [Type locality: Nam Ha = Ha Nam and Nam Dinh Provinces, northern Vietnam]; Dang and Do (2008): 8-10, fig. 5; Dang and Ho (2012): 154-156, fig. 53.

Caridina vietriensis Dang & Do, 2007: 9-10, figs. 7-8. [Type locality: Viet Tri City, Phu Tho Province, Vietnam].

Caridina pseudoflavilineata Do & Dang, 2010: 31-34, figs. 3-4. [Type locality: Hai Van mountain pass, Thua Thien Hue Province, Vietnam].

Materials

Type status: Other material. Occurrence: catalogNumber: ZMB 32411 or 32312 ; recordedBy: Marco Endruweit, Wang Jing ; disposition: in collection; Taxon : scientificName: Caridina lanceifrons Yu , 1936; kingdom: Animal ; phylum: Arthropoda ; class: Malacostraca ; order: Decapoda ; family: Atyidae ; genus: Caridina ; specificEpithet: lanceifrons; taxonRank: Species ; scientificNameAuthorship: Yu , 1936; vernacularName: atyid shrimp; nomenclaturalCode: ICZN; taxonomicStatus: accepted; Location : country: Vietnam; countryCode: VN; stateProvince: Thai Nguyen; county: Pho Yen; municipality: Dac Son; locality: Cau River , along Road TL 261 Pho Yen - Đ ại Từ, crossing road from right - left, flowing out off the Nui Coc reservoir, Red River basin, Eastface of Tao Dao National Park ; decimalLatitude: 21.42178; decimalLongitude: 105.83862; geodeticDatum: WGS84; georeferenceProtocol: GPS; Identification: identifiedBy: Do Van Tu; dateIdentified: 2020; Event: samplingProtocol: hand net; eventDate: 2012-4-8; year: 2012; month: 4; day: 8; Record Level: type: PhysicalObject; institutionCode: ZMB; collectionCode: ZMB; basisOfRecord: PreservedSpecimen Type status: Other material. Occurrence: catalogNumber: ZMB ; recordedBy: Andreas Karge; disposition: in collection; Taxon : scientificName: Caridina lanceifrons Yu , 1936; kingdom: Animal ; phylum: Arthropoda ; class: Malacostraca ; order: Decapoda ; family: Atyidae ; genus: Caridina ; specificEpithet: lanceifrons; taxonRank: Species ; scientificNameAuthorship: Yu , 1936; vernacularName: atyid shrimp; nomenclaturalCode: ICZN; taxonomicStatus: accepted; Location : country: Vietnam; countryCode: VN; stateProvince: Quang Nam; county: Duy Xuyen ; locality: My Son (Ruin City) ; decimalLatitude: 15.7634; decimalLongitude: 108.12458; geodeticDatum: WGS84; georeferenceProtocol: GPS; Identification: identifiedBy: Do Van Tu; dateIdentified: 2020; Event: samplingProtocol: hand net; eventDate: 2009-7-17; year: 2009; month: 7; day: 17; Record Level: type: PhysicalObject; institutionCode: ZMB; collectionCode: ZMB; basisOfRecord: PreservedSpecimen Type status: Other material. Occurrence: catalogNumber: ZMB 29493 ; recordedBy: Frank Köhler; disposition: in collection; Taxon : scientificName: Caridina lanceifrons Yu , 1936; kingdom: Animal ; phylum: Arthropoda ; class: Malacostraca ; order: Decapoda ; family: Atyidae ; genus: Caridina ; specificEpithet: lanceifrons; taxonRank: Species ; scientificNameAuthorship: Yu , 1936; vernacularName: atyid shrimp; nomenclaturalCode: ICZN; taxonomicStatus: accepted; Location : country: Vietnam; countryCode: VN; stateProvince: Quang Tri; locality: Dakrong River near Dakrong , 20 km South of Dakrong bridge ; decimalLatitude: 16.5735; decimalLongitude: 106.95983; geodeticDatum: WGS84; georeferenceProtocol: GPS; Identification: identifiedBy: Do Van Tu; dateIdentified: 2020; Event: samplingProtocol: hand net; eventDate: 2006-10-21; year: 2006; month: 10; day: 21; Record Level: type: PhysicalObject; institutionCode: ZMB; collectionCode: ZMB; basisOfRecord: PreservedSpecimen Type status: Other material. Occurrence: catalogNumber: ZMB 29494 ; recordedBy: Frank Köhler; disposition: in collection; Taxon : scientificName: Caridina lanceifrons Yu , 1936; kingdom: Animal ; phylum: Arthropoda ; class: Malacostraca ; order: Decapoda ; family: Atyidae ; genus: Caridina ; specificEpithet: lanceifrons; taxonRank: Species ; scientificNameAuthorship: Yu , 1936; vernacularName: atyid shrimp; nomenclaturalCode: ICZN; taxonomicStatus: accepted; Location : country: Vietnam; countryCode: VN; stateProvince: Nghe An; locality: Highway 7 between Con Cuong and Laos ; decimalLatitude: 19.215; decimalLongitude: 104.5475; geodeticDatum: WGS84; georeferenceProtocol: GPS; Identification: identifiedBy: Do Van Tu; dateIdentified: 2020; Event: samplingProtocol: hand net; eventDate: 2006-10-21; year: 2006; month: 10; day: 21; Record Level: type: PhysicalObject; institutionCode: ZMB; collectionCode: ZMB; basisOfRecord: PreservedSpecimen Type status: Other material. Occurrence: catalogNumber: ZMB 29495 ; recordedBy: Frank Köhler; disposition: in collection; Taxon : scientificName: Caridina lanceifrons Yu , 1936; kingdom: Animal ; phylum: Arthropoda ; class: Malacostraca ; order: Decapoda ; family: Atyidae ; genus: Caridina ; specificEpithet: lanceifrons; taxonRank: Species ; scientificNameAuthorship: Yu , 1936; vernacularName: atyid shrimp; nomenclaturalCode: ICZN; taxonomicStatus: accepted; Location : country: Vietnam; countryCode: VN; stateProvince: Bac Kan; county: Cho Moi ; municipality: Cao Ky ; locality: River parallel highway Thai Nguyen - Bac Kan, 13km South of Bac Kan ; decimalLatitude: 22.03498; decimalLongitude: 105.85088; geodeticDatum: WGS84; georeferenceProtocol: GPS; Identification: identifiedBy: Do Van Tu; dateIdentified: 2020; Event: samplingProtocol: hand net; eventDate: 2006-3-21; year: 2006; month: 3; day: 21; Record Level: type: PhysicalObject; institutionCode: ZMB; collectionCode: ZMB; basisOfRecord: PreservedSpecimen Type status: Other material. Occurrence: catalogNumber: ZMB 29496 ; recordedBy: Frank Köhler; disposition: in collection; Taxon : scientificName: Caridina lanceifrons Yu , 1936; kingdom: Animal ; phylum: Arthropoda ; class: Malacostraca ; order: Decapoda ; family: Atyidae ; genus: Caridina ; specificEpithet: lanceifrons; taxonRank: Species ; scientificNameAuthorship: Yu , 1936; vernacularName: atyid shrimp; nomenclaturalCode: ICZN; taxonomicStatus: accepted; Location : country: Vietnam; countryCode: VN; stateProvince: Quang Binh; county: Minh Hoa ; decimalLatitude: 17.87483; decimalLongitude: 105.867; geodeticDatum: WGS84; georeferenceProtocol: GPS; Identification: identifiedBy: Do Van Tu; dateIdentified: 2020; Event: samplingProtocol: hand net; eventDate: 2006-10-21; year: 2006; month: 10; day: 21; Record Level: type: PhysicalObject; institutionCode: ZMB; collectionCode: ZMB; basisOfRecord: PreservedSpecimen Type status: Other material. Occurrence: catalogNumber: ZMB 29638 ; recordedBy: Do Van Tu; disposition: in collection; Taxon : scientificName: Caridina lanceifrons Yu , 1936; kingdom: Animal ; phylum: Arthropoda ; class: Malacostraca ; order: Decapoda ; family: Atyidae ; genus: Caridina ; specificEpithet: lanceifrons; taxonRank: Species ; scientificNameAuthorship: Yu , 1936; vernacularName: atyid shrimp; nomenclaturalCode: ICZN; taxonomicStatus: accepted; Location : country: Vietnam; countryCode: VN; stateProvince: Hoa Binh; county: Da Bac ; decimalLatitude: 20.88603; decimalLongitude: 105.15267; geodeticDatum: WGS84; georeferenceProtocol: GPS; Identification: identifiedBy: Do Van Tu; dateIdentified: 2020; Event: samplingProtocol: hand net; eventDate: 2015-3-14; year: 2015; month: 3; day: 14; Record Level: type: PhysicalObject; institutionCode: ZMB; collectionCode: ZMB; basisOfRecord: PreservedSpecimen Type status: Other material. Occurrence: catalogNumber: ZMB 29640 ; recordedBy: Do Van Tu; disposition: in collection; Taxon : scientificName: Caridina lanceifrons Yu , 1936; kingdom: Animal ; phylum: Arthropoda ; class: Malacostraca ; order: Decapoda ; family: Atyidae ; genus: Caridina ; specificEpithet: lanceifrons; taxonRank: Species ; scientificNameAuthorship: Yu , 1936; vernacularName: atyid shrimp; nomenclaturalCode: ICZN; taxonomicStatus: accepted; Location : country: Vietnam; countryCode: VN; stateProvince: Ha Giang; county: Quan Binh; municipality: Bang Lang ; decimalLatitude: 22.36506; decimalLongitude: 104.63511; geodeticDatum: WGS84; georeferenceProtocol: GPS; Identification: identifiedBy: Do Van Tu; dateIdentified: 2020; Event: samplingProtocol: hand net; eventDate: 2012-11-16; year: 2012; month: 11; day: 16; Record Level: type: PhysicalObject; institutionCode: ZMB; collectionCode: ZMB; basisOfRecord: PreservedSpecimen Type status: Other material. Occurrence: catalogNumber: ZMB 29646 ; recordedBy: Do Van Tu; disposition: in collection; Taxon : scientificName: Caridina lanceifrons Yu , 1936; kingdom: Animal ; phylum: Arthropoda ; class: Malacostraca ; order: Decapoda ; family: Atyidae ; genus: Caridina ; specificEpithet: lanceifrons; taxonRank: Species ; scientificNameAuthorship: Yu , 1936; vernacularName: atyid shrimp; nomenclaturalCode: ICZN; taxonomicStatus: accepted; Location : country: Vietnam; countryCode: VN; stateProvince: Yen Bai; county: Van Chan ; decimalLatitude: 21.47856; decimalLongitude: 104.73222; geodeticDatum: WGS84; georeferenceProtocol: GPS; Identification: identifiedBy: Do Van Tu; dateIdentified: 2020; Event: samplingProtocol: hand net; eventDate: 2012-11-20; year: 2012; month: 11; day: 20; Record Level: type: PhysicalObject; institutionCode: ZMB; collectionCode: ZMB; basisOfRecord: PreservedSpecimen Type status: Other material. Occurrence: catalogNumber: ZMB 29647 ; recordedBy: Do Van Tu; disposition: in collection; Taxon : scientificName: Caridina lanceifrons Yu , 1936; kingdom: Animal ; phylum: Arthropoda ; class: Malacostraca ; order: Decapoda ; family: Atyidae ; genus: Caridina ; specificEpithet: lanceifrons; taxonRank: Species ; scientificNameAuthorship: Yu , 1936; vernacularName: atyid shrimp; nomenclaturalCode: ICZN; taxonomicStatus: accepted; Location : country: Vietnam; countryCode: VN; stateProvince: Quang Binh; locality: Stream near km 28, Phong Nha-Ke Bang National Park ; decimalLatitude: 17.49628; decimalLongitude: 106.29108; geodeticDatum: WGS84; georeferenceProtocol: GPS; Identification: identifiedBy: Do Van Tu; dateIdentified: 2020; Event: samplingProtocol: hand net; eventDate: 2014-4-22; year: 2014; month: 4; day: 22; Record Level: type: PhysicalObject; institutionCode: ZMB; collectionCode: ZMB; basisOfRecord: PreservedSpecimen Type status: Other material. Occurrence: catalogNumber: ZMB 29652 ; recordedBy: Do Van Tu; disposition: in collection; Taxon : scientificName: Caridina lanceifrons Yu , 1936; kingdom: Animal ; phylum: Arthropoda ; class: Malacostraca ; order: Decapoda ; family: Atyidae ; genus: Caridina ; specificEpithet: lanceifrons; taxonRank: Species ; scientificNameAuthorship: Yu , 1936; vernacularName: atyid shrimp; nomenclaturalCode: ICZN; taxonomicStatus: accepted; Location : country: Vietnam; countryCode: VN; stateProvince: Thai Binh; locality: Thanh Tan ; decimalLatitude: 20.43108; decimalLongitude: 106.43853; geodeticDatum: WGS84; georeferenceProtocol: GPS; Identification: identifiedBy: Do Van Tu; dateIdentified: 2020; Event: samplingProtocol: hand net; eventDate: 2010-6-5; year: 2010; month: 6; day: 5; Record Level: type: PhysicalObject; institutionCode: ZMB; collectionCode: ZMB; basisOfRecord: PreservedSpecimen Type status: Other material. Occurrence: catalogNumber: ZMB 29658 ; recordedBy: Jens Kühne; disposition: in collection; Taxon : scientificName: Caridina lanceifrons Yu , 1936; kingdom: Animal ; phylum: Arthropoda ; class: Malacostraca ; order: Decapoda ; family: Atyidae ; genus: Caridina ; specificEpithet: lanceifrons; taxonRank: Species ; scientificNameAuthorship: Yu , 1936; vernacularName: atyid shrimp; nomenclaturalCode: ICZN; taxonomicStatus: accepted; Location : country: Vietnam; countryCode: VN; stateProvince: Hoa Binh; locality: Village 15 km from Hoa Binh, small creek, downstream ; decimalLatitude: 20.90833; decimalLongitude: 105.33611; geodeticDatum: WGS84; georeferenceProtocol: GPS; Identification: identifiedBy: Do Van Tu; dateIdentified: 2020; Event: samplingProtocol: hand net; eventDate: 2015-7-6; year: 2015; month: 7; day: 6; Record Level: type: PhysicalObject; institutionCode: ZMB; collectionCode: ZMB; basisOfRecord: PreservedSpecimen Type status: Other material. Occurrence: catalogNumber: ZMB 29659 ; recordedBy: Jens Kühne; disposition: in collection; Taxon : scientificName: Caridina lanceifrons Yu , 1936; kingdom: Animal ; phylum: Arthropoda ; class: Malacostraca ; order: Decapoda ; family: Atyidae ; genus: Caridina ; specificEpithet: lanceifrons; taxonRank: Species ; scientificNameAuthorship: Yu , 1936; vernacularName: atyid shrimp; nomenclaturalCode: ICZN; taxonomicStatus: accepted; Location : country: Vietnam; countryCode: VN; stateProvince: Hoa Binh; locality: Village 15 km from Hoa Binh, small creek, upstream ; decimalLatitude: 20.90861; decimalLongitude: 105.33667; geodeticDatum: WGS84; georeferenceProtocol: GPS; Identification: identifiedBy: Do Van Tu; dateIdentified: 2020; Event: samplingProtocol: hand net; eventDate: 2015-7-6; year: 2015; month: 7; day: 6; Record Level: type: PhysicalObject; institutionCode: ZMB; collectionCode: ZMB; basisOfRecord: PreservedSpecimen Type status: Other material. Occurrence: catalogNumber: ZMB 29662 ; recordedBy: Jens Kühne; disposition: in collection; Taxon : scientificName: Caridina lanceifrons Yu , 1936; kingdom: Animal ; phylum: Arthropoda ; class: Malacostraca ; order: Decapoda ; family: Atyidae ; genus: Caridina ; specificEpithet: lanceifrons; taxonRank: Species ; scientificNameAuthorship: Yu , 1936; vernacularName: atyid shrimp; nomenclaturalCode: ICZN; taxonomicStatus: accepted; Location : country: Vietnam; countryCode: VN; stateProvince: Hoa Binh; locality: Song Da Catchment , below Coffeeshop on the street No 6 ; decimalLatitude: 20.71278; decimalLongitude: 105.04194; geodeticDatum: WGS84; georeferenceProtocol: GPS; Identification: identifiedBy: Do Van Tu; dateIdentified: 2020; Event: samplingProtocol: hand net; eventDate: 2015-7-10; year: 2015; month: 7; day: 10; Record Level: type: PhysicalObject; institutionCode: ZMB; collectionCode: ZMB; basisOfRecord: PreservedSpecimen Type status: Other material. Occurrence: catalogNumber: ZMB 29758 ; recordedBy: Marco Endruweit, Wang Jing ; disposition: in collection; Taxon : scientificName: Caridina lanceifrons Yu , 1936; kingdom: Animal ; phylum: Arthropoda ; class: Malacostraca ; order: Decapoda ; family: Atyidae ; genus: Caridina ; specificEpithet: lanceifrons; taxonRank: Species ; scientificNameAuthorship: Yu , 1936; vernacularName: atyid shrimp; nomenclaturalCode: ICZN; taxonomicStatus: accepted; Location : country: Vietnam; countryCode: VN; stateProvince: Tuyen Quang; county: Son Duong ; locality: Pho Day River (Song Pho Day) mainchannel, Lo-Gam River subbasin, Red River basin, westface of Tam Dao National Park ; decimalLatitude: 21.53797; decimalLongitude: 105.48437; geodeticDatum: WGS84; georeferenceProtocol: GPS; Identification: identifiedBy: Do Van Tu; dateIdentified: 2020; Event: samplingProtocol: hand net; eventDate: 2012-4-11; year: 2012; month: 4; day: 11; Record Level: type: PhysicalObject; institutionCode: ZMB; collectionCode: ZMB; basisOfRecord: PreservedSpecimen Type status: Other material. Occurrence: catalogNumber: ZMB 29761 ; recordedBy: Marco Endruweit, Wang Jing ; disposition: in collection; Taxon : scientificName: Caridina lanceifrons Yu , 1936; kingdom: Animal ; phylum: Arthropoda ; class: Malacostraca ; order: Decapoda ; family: Atyidae ; genus: Caridina ; specificEpithet: lanceifrons; taxonRank: Species ; scientificNameAuthorship: Yu , 1936; vernacularName: atyid shrimp; nomenclaturalCode: ICZN; taxonomicStatus: accepted; Location : country: Vietnam; countryCode: VN; stateProvince: Thai Nguyen; county: Pho Yen; decimalLatitude: 21.48103; decimalLongitude: 105.72652; geodeticDatum: WGS84; georeferenceProtocol: GPS; Identification: identifiedBy: Do Van Tu; dateIdentified: 2020; Event: samplingProtocol: hand net; eventDate: 2012-4-8; year: 2012; month: 4; day: 8; Record Level: type: PhysicalObject; institutionCode: ZMB; collectionCode: ZMB; basisOfRecord: PreservedSpecimen Type status: Other material. Occurrence: catalogNumber: ZMB 30228 ; recordedBy: Thomas von Rintelen, Do Van Tu; disposition: in collection; Taxon : scientificName: Caridina lanceifrons Yu , 1936; kingdom: Animal ; phylum: Arthropoda ; class: Malacostraca ; order: Decapoda ; family: Atyidae ; genus: Caridina ; specificEpithet: lanceifrons; taxonRank: Species ; scientificNameAuthorship: Yu , 1936; vernacularName: atyid shrimp; nomenclaturalCode: ICZN; taxonomicStatus: accepted; Location : country: Vietnam; countryCode: VN; stateProvince: Ninh Binh; locality: River in limestone area Northeast of Cuc Phuong National Park ; decimalLatitude: 20.27252; decimalLongitude: 105.91127; geodeticDatum: WGS84; georeferenceProtocol: GPS; Identification: identifiedBy: Do Van Tu; dateIdentified: 2020; Event: samplingProtocol: hand net; eventDate: 2017-3-4; year: 2017; month: 3; day: 4; Record Level: type: PhysicalObject; institutionCode: ZMB; collectionCode: ZMB; basisOfRecord: PreservedSpecimen Type status: Other material. Occurrence: catalogNumber: ZMB 30258 ; recordedBy: Do Van Tu; disposition: in collection; Taxon : scientificName: Caridina lanceifrons Yu , 1936; kingdom: Animal ; phylum: Arthropoda ; class: Malacostraca ; order: Decapoda ; family: Atyidae ; genus: Caridina ; specificEpithet: lanceifrons; taxonRank: Species ; scientificNameAuthorship: Yu , 1936; vernacularName: atyid shrimp; nomenclaturalCode: ICZN; taxonomicStatus: accepted; Location : country: Vietnam; countryCode: VN; stateProvince: Hoa Binh; county: Kim Boi ; locality: Bo ; decimalLatitude: 20.66833; decimalLongitude: 105.53528; geodeticDatum: WGS84; georeferenceProtocol: GPS; Identification: identifiedBy: Do Van Tu; dateIdentified: 2020; Event: samplingProtocol: hand net; eventDate: 2017-4-23; year: 2017; month: 4; day: 23; Record Level: type: PhysicalObject; institutionCode: ZMB; collectionCode: ZMB; basisOfRecord: PreservedSpecimen Type status: Other material. Occurrence: catalogNumber: ZMB 30264 ; recordedBy: Do Van Tu; disposition: in collection; Taxon : scientificName: Caridina lanceifrons Yu , 1936; kingdom: Animal ; phylum: Arthropoda ; class: Malacostraca ; order: Decapoda ; family: Atyidae ; genus: Caridina ; specificEpithet: lanceifrons; taxonRank: Species ; scientificNameAuthorship: Yu , 1936; vernacularName: atyid shrimp; nomenclaturalCode: ICZN; taxonomicStatus: accepted; Location : country: Vietnam; countryCode: VN; stateProvince: Da Nang; locality: Stream on Lang Van ; decimalLatitude: 16.16778; decimalLongitude: 108.14222; geodeticDatum: WGS84; georeferenceProtocol: GPS; Identification: identifiedBy: Do Van Tu; dateIdentified: 2020; Event: samplingProtocol: hand net; eventDate: 2017-5-5; year: 2017; month: 5; day: 5; Record Level: type: PhysicalObject; institutionCode: ZMB; collectionCode: ZMB; basisOfRecord: PreservedSpecimen Type status: Other material. Occurrence: catalogNumber: ZMB 30266 ; recordedBy: Do Van Tu; disposition: in collection; Taxon : scientificName: Caridina lanceifrons Yu , 1936; kingdom: Animal ; phylum: Arthropoda ; class: Malacostraca ; order: Decapoda ; family: Atyidae ; genus: Caridina ; specificEpithet: lanceifrons; taxonRank: Species ; scientificNameAuthorship: Yu , 1936; vernacularName: atyid shrimp; nomenclaturalCode: ICZN; taxonomicStatus: accepted; Location : country: Vietnam; countryCode: VN; stateProvince: Nghe An; locality: Khe Kem water fall, Pu Mat National Park ; decimalLatitude: 18.97044; decimalLongitude: 104.80075; geodeticDatum: WGS84; georeferenceProtocol: GPS; Identification: identifiedBy: Do Van Tu; dateIdentified: 2020; Event: samplingProtocol: hand net; eventDate: 2017-5-18; year: 2017; month: 5; day: 18; Record Level: type: PhysicalObject; institutionCode: ZMB; collectionCode: ZMB; basisOfRecord: PreservedSpecimen Type status: Other material. Occurrence: catalogNumber: ZMB 30268 ; recordedBy: Le Hung Anh; disposition: in collection; Taxon : scientificName: Caridina lanceifrons Yu , 1936; kingdom: Animal ; phylum: Arthropoda ; class: Malacostraca ; order: Decapoda ; family: Atyidae ; genus: Caridina ; specificEpithet: lanceifrons; taxonRank: Species ; scientificNameAuthorship: Yu , 1936; vernacularName: atyid shrimp; nomenclaturalCode: ICZN; taxonomicStatus: accepted; Location : country: Vietnam; countryCode: VN; stateProvince: Nghe An; county: Ky Son; municipality: Muong Xen ; locality: Muong Xen ; decimalLatitude: 19.28122; decimalLongitude: 104.42111; geodeticDatum: WGS84; georeferenceProtocol: GPS; Identification: identifiedBy: Do Van Tu; dateIdentified: 2020; Event: samplingProtocol: hand net; eventDate: 2017-3-9; year: 2017; month: 3; day: 9; Record Level: type: PhysicalObject; institutionCode: ZMB; collectionCode: ZMB; basisOfRecord: PreservedSpecimen Type status: Other material. Occurrence: catalogNumber: ZMB 30275 ; recordedBy: Do Van Tu; disposition: in collection; Taxon : scientificName: Caridina lanceifrons Yu , 1936; kingdom: Animal ; phylum: Arthropoda ; class: Malacostraca ; order: Decapoda ; family: Atyidae ; genus: Caridina ; specificEpithet: lanceifrons; taxonRank: Species ; scientificNameAuthorship: Yu , 1936; vernacularName: atyid shrimp; nomenclaturalCode: ICZN; taxonomicStatus: accepted; Location : country: Vietnam; countryCode: VN; stateProvince: Quang Tri; county: Huong Hoa ; municipality: Huong Linh ; locality: Ku Vo ; decimalLatitude: 16.72072; decimalLongitude: 106.86354; geodeticDatum: WGS84; georeferenceProtocol: GPS; Identification: identifiedBy: Do Van Tu; dateIdentified: 2020; Event: samplingProtocol: hand net; eventDate: 2017-6-25; year: 2017; month: 6; day: 25; Record Level: type: PhysicalObject; institutionCode: ZMB; collectionCode: ZMB; basisOfRecord: PreservedSpecimen Type status: Other material. Occurrence: catalogNumber: ZMB 30279 ; recordedBy: Nguyen Tong Cuong; disposition: in collection; Taxon : scientificName: Caridina lanceifrons Yu , 1936; kingdom: Animal ; phylum: Arthropoda ; class: Malacostraca ; order: Decapoda ; family: Atyidae ; genus: Caridina ; specificEpithet: lanceifrons; taxonRank: Species ; scientificNameAuthorship: Yu , 1936; vernacularName: atyid shrimp; nomenclaturalCode: ICZN; taxonomicStatus: accepted; Location : country: Vietnam; countryCode: VN; stateProvince: Vinh Phuc; locality: Me Linh Station for Biodiversity ; decimalLatitude: 21.38967; decimalLongitude: 105.71271; geodeticDatum: WGS84; georeferenceProtocol: GPS; Identification: identifiedBy: Do Van Tu; dateIdentified: 2020; Event: samplingProtocol: hand net; eventDate: 2017-3-16; year: 2017; month: 3; day: 16; Record Level: type: PhysicalObject; institutionCode: ZMB; collectionCode: ZMB; basisOfRecord: PreservedSpecimen Type status: Other material. Occurrence: catalogNumber: ZMB 30284 ; recordedBy: Do Van Tu; disposition: in collection; Taxon : scientificName: Caridina lanceifrons Yu , 1936; kingdom: Animal ; phylum: Arthropoda ; class: Malacostraca ; order: Decapoda ; family: Atyidae ; genus: Caridina ; specificEpithet: lanceifrons; taxonRank: Species ; scientificNameAuthorship: Yu , 1936; vernacularName: atyid shrimp; nomenclaturalCode: ICZN; taxonomicStatus: accepted; Location : country: Vietnam; countryCode: VN; stateProvince: Hai Phong; county: Thuy Nguyen; locality: NT4 ; decimalLatitude: 20.97348; decimalLongitude: 106.75721; geodeticDatum: WGS84; georeferenceProtocol: GPS; Identification: identifiedBy: Do Van Tu; dateIdentified: 2020; Event: samplingProtocol: hand net; eventDate: 2017-1-1; year: 2017; month: 1; day: 1; Record Level: type: PhysicalObject; institutionCode: ZMB; collectionCode: ZMB; basisOfRecord: PreservedSpecimen Type status: Other material. Occurrence: catalogNumber: ZMB 30286 ; recordedBy: Do Van Tu; disposition: in collection; Taxon : scientificName: Caridina lanceifrons Yu , 1936; kingdom: Animal ; phylum: Arthropoda ; class: Malacostraca ; order: Decapoda ; family: Atyidae ; genus: Caridina ; specificEpithet: lanceifrons; taxonRank: Species ; scientificNameAuthorship: Yu , 1936; vernacularName: atyid shrimp; nomenclaturalCode: ICZN; taxonomicStatus: accepted; Location : country: Vietnam; countryCode: VN; stateProvince: Quang Binh; county: Le Thuy ; municipality: Kim Thuy ; locality: Ho Rum ; decimalLatitude: 16.99901; decimalLongitude: 106.64663; geodeticDatum: WGS84; georeferenceProtocol: GPS; Identification: identifiedBy: Do Van Tu; dateIdentified: 2020; Event: samplingProtocol: hand net; eventDate: 2017-5-25; year: 2017; month: 5; day: 25; Record Level: type: PhysicalObject; institutionCode: ZMB; collectionCode: ZMB; basisOfRecord: PreservedSpecimen Type status: Other material. Occurrence: catalogNumber: ZMB 30288 ; recordedBy: Do Van Tu; disposition: in collection; Taxon : scientificName: Caridina lanceifrons Yu , 1936; kingdom: Animal ; phylum: Arthropoda ; class: Malacostraca ; order: Decapoda ; family: Atyidae ; genus: Caridina ; specificEpithet: lanceifrons; taxonRank: Species ; scientificNameAuthorship: Yu , 1936; vernacularName: atyid shrimp; nomenclaturalCode: ICZN; taxonomicStatus: accepted; Location : country: Vietnam; countryCode: VN; stateProvince: Hoa Binh; county: Lac Son; municipality: Nhan Nghia ; decimalLatitude: 20.51861; decimalLongitude: 105.44417; geodeticDatum: WGS84; georeferenceProtocol: GPS; Identification: identifiedBy: Do Van Tu; dateIdentified: 2020; Event: samplingProtocol: hand net; eventDate: 2017-4-23; year: 2017; month: 4; day: 23; Record Level: type: PhysicalObject; institutionCode: ZMB; collectionCode: ZMB; basisOfRecord: PreservedSpecimen Type status: Other material. Occurrence: catalogNumber: ZMB 30292 ; recordedBy: Do Van Tu; disposition: in collection; Taxon : scientificName: Caridina lanceifrons Yu , 1936; kingdom: Animal ; phylum: Arthropoda ; class: Malacostraca ; order: Decapoda ; family: Atyidae ; genus: Caridina ; specificEpithet: lanceifrons; taxonRank: Species ; scientificNameAuthorship: Yu , 1936; vernacularName: atyid shrimp; nomenclaturalCode: ICZN; taxonomicStatus: accepted; Location : country: Vietnam; countryCode: VN; stateProvince: Yen Bai; county: Van Yen; locality: Nhay , Chau Que Thuong ; decimalLatitude: 22.0719; decimalLongitude: 104.46180; geodeticDatum: WGS84; georeferenceProtocol: GPS; Identification: identifiedBy: Do Van Tu; dateIdentified: 2020; Event: samplingProtocol: hand net; eventDate: 2017-9-18; year: 2017; month: 9; day: 18; Record Level: type: PhysicalObject; institutionCode: ZMB; collectionCode: ZMB; basisOfRecord: PreservedSpecimen Type status: Other material. Occurrence: catalogNumber: ZMB 30294 ; recordedBy: Do Van Tu; disposition: in collection; Taxon : scientificName: Caridina lanceifrons Yu , 1936; kingdom: Animal ; phylum: Arthropoda ; class: Malacostraca ; order: Decapoda ; family: Atyidae ; genus: Caridina ; specificEpithet: lanceifrons; taxonRank: Species ; scientificNameAuthorship: Yu , 1936; vernacularName: atyid shrimp; nomenclaturalCode: ICZN; taxonomicStatus: accepted; Location : country: Vietnam; countryCode: VN; stateProvince: Lao Cai; decimalLatitude: 22.42587; decimalLongitude: 104.02684; geodeticDatum: WGS84; georeferenceProtocol: GPS; Identification: identifiedBy: Do Van Tu; dateIdentified: 2020; Event: samplingProtocol: hand net; eventDate: 2017-9-16; year: 2017; month: 9; day: 16; Record Level: type: PhysicalObject; institutionCode: ZMB; collectionCode: ZMB; basisOfRecord: PreservedSpecimen Type status: Other material. Occurrence: catalogNumber: ZMB 30299 ; recordedBy: Do Van Tu; disposition: in collection; Taxon : scientificName: Caridina lanceifrons Yu , 1936; kingdom: Animal ; phylum: Arthropoda ; class: Malacostraca ; order: Decapoda ; family: Atyidae ; genus: Caridina ; specificEpithet: lanceifrons; taxonRank: Species ; scientificNameAuthorship: Yu , 1936; vernacularName: atyid shrimp; nomenclaturalCode: ICZN; taxonomicStatus: accepted; Location : country: Vietnam; countryCode: VN; stateProvince: Quang Nam; county: Phuc Son; locality: Phuoc Son ; decimalLatitude: 15.56702; decimalLongitude: 107.82195; geodeticDatum: WGS84; georeferenceProtocol: GPS; Identification: identifiedBy: Do Van Tu; dateIdentified: 2020; Event: samplingProtocol: hand net; eventDate: 2017-6-29; year: 2017; month: 6; day: 29; Record Level: type: PhysicalObject; institutionCode: ZMB; collectionCode: ZMB; basisOfRecord: PreservedSpecimen Type status: Other material. Occurrence: catalogNumber: ZMB 30307 ; recordedBy: Do Van Tu; disposition: in collection; Taxon : scientificName: Caridina lanceifrons Yu , 1936; kingdom: Animal ; phylum: Arthropoda ; class: Malacostraca ; order: Decapoda ; family: Atyidae ; genus: Caridina ; specificEpithet: lanceifrons; taxonRank: Species ; scientificNameAuthorship: Yu , 1936; vernacularName: atyid shrimp; nomenclaturalCode: ICZN; taxonomicStatus: accepted; Location : country: Vietnam; countryCode: VN; stateProvince: Hoa Binh; county: Kim Boi ; municipality: Hop Kim ; locality: Boi river ; decimalLatitude: 20.66067; decimalLongitude: 105.55772; geodeticDatum: WGS84; georeferenceProtocol: GPS; Identification: identifiedBy: Do Van Tu; dateIdentified: 2020; Event: samplingProtocol: hand net; eventDate: 2017-4-23; year: 2017; month: 4; day: 23; Record Level: type: PhysicalObject; institutionCode: ZMB; collectionCode: ZMB; basisOfRecord: PreservedSpecimen Type status: Other material. Occurrence: catalogNumber: ZMB 30318 ; recordedBy: Do Van Tu; disposition: in collection; Taxon : scientificName: Caridina lanceifrons Yu , 1936; kingdom: Animal ; phylum: Arthropoda ; class: Malacostraca ; order: Decapoda ; family: Atyidae ; genus: Caridina ; specificEpithet: lanceifrons; taxonRank: Species ; scientificNameAuthorship: Yu , 1936; vernacularName: atyid shrimp; nomenclaturalCode: ICZN; taxonomicStatus: accepted; Location : country: Vietnam; countryCode: VN; stateProvince: Ha Giang; county: Bac Quang; municipality: Tan Thanh ; decimalLatitude: 22.54697; decimalLongitude: 104.91033; geodeticDatum: WGS84; georeferenceProtocol: GPS; Identification: identifiedBy: Do Van Tu; dateIdentified: 2020; Event: samplingProtocol: hand net; eventDate: 2012-11-16; year: 2012; month: 11; day: 16; Record Level: type: PhysicalObject; institutionCode: ZMB; collectionCode: ZMB; basisOfRecord: PreservedSpecimen Type status: Other material. Occurrence: catalogNumber: ZMB 30350 ; recordedBy: Do Van Tu; disposition: in collection; Taxon : scientificName: Caridina lanceifrons Yu , 1936; kingdom: Animal ; phylum: Arthropoda ; class: Malacostraca ; order: Decapoda ; family: Atyidae ; genus: Caridina ; specificEpithet: lanceifrons; taxonRank: Species ; scientificNameAuthorship: Yu , 1936; vernacularName: atyid shrimp; nomenclaturalCode: ICZN; taxonomicStatus: accepted; Location : country: Vietnam; countryCode: VN; stateProvince: Thai Nguyen; county: Vo Nhai ; municipality: Phu Thuong ; locality: Mo Ga stream ; decimalLatitude: 21.77583; decimalLongitude: 106.12058; geodeticDatum: WGS84; georeferenceProtocol: GPS; Identification: identifiedBy: Do Van Tu; dateIdentified: 2020; Event: samplingProtocol: hand net; eventDate: 2019-6-9; year: 2019; month: 6; day: 9; Record Level: type: PhysicalObject; institutionCode: ZMB; collectionCode: ZMB; basisOfRecord: PreservedSpecimen Type status: Other material. Occurrence: catalogNumber: ZMB 30355 ; recordedBy: Do Van Tu; disposition: in collection; Taxon : scientificName: Caridina lanceifrons Yu , 1936; kingdom: Animal ; phylum: Arthropoda ; class: Malacostraca ; order: Decapoda ; family: Atyidae ; genus: Caridina ; specificEpithet: lanceifrons; taxonRank: Species ; scientificNameAuthorship: Yu , 1936; vernacularName: atyid shrimp; nomenclaturalCode: ICZN; taxonomicStatus: accepted; Location : country: Vietnam; countryCode: VN; stateProvince: Son La; county: Quynh Nhai ; municipality: Pac Ma ; locality: Entrance of a cave ; decimalLatitude: 21.7545; decimalLongitude: 103.62372; geodeticDatum: WGS84; georeferenceProtocol: GPS; Identification: identifiedBy: Do Van Tu; dateIdentified: 2020; Event: samplingProtocol: hand net; eventDate: 2019-7-3; year: 2019; month: 7; day: 3; Record Level: type: PhysicalObject; institutionCode: ZMB; collectionCode: ZMB; basisOfRecord: PreservedSpecimen Type status: Other material. Occurrence: catalogNumber: ZMB 30356 ; recordedBy: Do Van Tu; disposition: in collection; Taxon : scientificName: Caridina lanceifrons Yu , 1936; kingdom: Animal ; phylum: Arthropoda ; class: Malacostraca ; order: Decapoda ; family: Atyidae ; genus: Caridina ; specificEpithet: lanceifrons; taxonRank: Species ; scientificNameAuthorship: Yu , 1936; vernacularName: atyid shrimp; nomenclaturalCode: ICZN; taxonomicStatus: accepted; Location : country: Vietnam; countryCode: VN; stateProvince: Son La; county: Quynh Nhai ; municipality: Pac Ma ; decimalLatitude: 21.75449; decimalLongitude: 103.62372; geodeticDatum: WGS84; georeferenceProtocol: GPS; Identification: identifiedBy: Do Van Tu; dateIdentified: 2020; Event: samplingProtocol: hand net; eventDate: 2019-7-3; year: 2019; month: 7; day: 3; Record Level: type: PhysicalObject; institutionCode: ZMB; collectionCode: ZMB; basisOfRecord: PreservedSpecimen Type status: Other material. Occurrence: catalogNumber: ZMB 30357 ; recordedBy: Do Van Tu; disposition: in collection; Taxon : scientificName: Caridina lanceifrons Yu , 1936; kingdom: Animal ; phylum: Arthropoda ; class: Malacostraca ; order: Decapoda ; family: Atyidae ; genus: Caridina ; specificEpithet: lanceifrons; taxonRank: Species ; scientificNameAuthorship: Yu , 1936; vernacularName: atyid shrimp; nomenclaturalCode: ICZN; taxonomicStatus: accepted; Location : country: Vietnam; countryCode: VN; stateProvince: Son La; county: Quynh Nhai ; municipality: Muong Chien ; decimalLatitude: 21.83467; decimalLongitude: 103.59315; geodeticDatum: WGS84; georeferenceProtocol: GPS; Identification: identifiedBy: Do Van Tu; dateIdentified: 2020; Event: samplingProtocol: hand net; eventDate: 2019-7-3; year: 2019; month: 7; day: 3; Record Level: type: PhysicalObject; institutionCode: ZMB; collectionCode: ZMB; basisOfRecord: PreservedSpecimen Type status: Other material. Occurrence: catalogNumber: ZMB 30358 ; recordedBy: Do Van Tu; disposition: in collection; Taxon : scientificName: Caridina lanceifrons Yu , 1936; kingdom: Animal ; phylum: Arthropoda ; class: Malacostraca ; order: Decapoda ; family: Atyidae ; genus: Caridina ; specificEpithet: lanceifrons; taxonRank: Species ; scientificNameAuthorship: Yu , 1936; vernacularName: atyid shrimp; nomenclaturalCode: ICZN; taxonomicStatus: accepted; Location : country: Vietnam; countryCode: VN; stateProvince: Yen Bai; county: Van Chan ; locality: Cat Thinh ; decimalLatitude: 21.47307; decimalLongitude: 104.72254; geodeticDatum: WGS84; georeferenceProtocol: GPS; Identification: identifiedBy: Do Van Tu; dateIdentified: 2020; Event: samplingProtocol: hand net; eventDate: 2019-7-5; year: 2019; month: 7; day: 5; Record Level: type: PhysicalObject; institutionCode: ZMB; collectionCode: ZMB; basisOfRecord: PreservedSpecimen Type status: Other material. Occurrence: catalogNumber: ZMB 30365 ; recordedBy: Nguyen Tong Cuong; disposition: in collection; Taxon : scientificName: Caridina lanceifrons Yu , 1936; kingdom: Animal ; phylum: Arthropoda ; class: Malacostraca ; order: Decapoda ; family: Atyidae ; genus: Caridina ; specificEpithet: lanceifrons; taxonRank: Species ; scientificNameAuthorship: Yu , 1936; vernacularName: atyid shrimp; nomenclaturalCode: ICZN; taxonomicStatus: accepted; Location : country: Vietnam; countryCode: VN; stateProvince: Tuyen Quang; county: Ham Yen; municipality: Phu Luu ; locality: Kieng stream ; decimalLatitude: 22.17092; decimalLongitude: 105.01269; geodeticDatum: WGS84; georeferenceProtocol: GPS; Identification: identifiedBy: Do Van Tu; dateIdentified: 2020; Event: samplingProtocol: hand net; eventDate: 2018-10-28; year: 2018; month: 10; day: 28; Record Level: type: PhysicalObject; institutionCode: ZMB; collectionCode: ZMB; basisOfRecord: PreservedSpecimen Type status: Other material. Occurrence: catalogNumber: ZMB 30366 ; recordedBy: Nguyen Tong Cuong; disposition: in collection; Taxon : scientificName: Caridina lanceifrons Yu , 1936; kingdom: Animal ; phylum: Arthropoda ; class: Malacostraca ; order: Decapoda ; family: Atyidae ; genus: Caridina ; specificEpithet: lanceifrons; taxonRank: Species ; scientificNameAuthorship: Yu , 1936; vernacularName: atyid shrimp; nomenclaturalCode: ICZN; taxonomicStatus: accepted; Location : country: Vietnam; countryCode: VN; stateProvince: Tuyen Quang; county: Ham Yen; municipality: Phu Luu ; locality: Nam Luong stream 2 ; decimalLatitude: 22.21023; decimalLongitude: 105.05780; geodeticDatum: WGS84; georeferenceProtocol: GPS; Identification: identifiedBy: Do Van Tu; dateIdentified: 2020; Event: samplingProtocol: hand net; eventDate: 2018-10-29; year: 2018; month: 10; day: 29; Record Level: type: PhysicalObject; institutionCode: ZMB; collectionCode: ZMB; basisOfRecord: PreservedSpecimen Type status: Other material. Occurrence: catalogNumber: ZMB 30370 ; recordedBy: Nguyen Tong Cuong; disposition: in collection; Taxon : scientificName: Caridina lanceifrons Yu , 1936; kingdom: Animal ; phylum: Arthropoda ; class: Malacostraca ; order: Decapoda ; family: Atyidae ; genus: Caridina ; specificEpithet: lanceifrons; taxonRank: Species ; scientificNameAuthorship: Yu , 1936; vernacularName: atyid shrimp; nomenclaturalCode: ICZN; taxonomicStatus: accepted; Location : country: Vietnam; countryCode: VN; stateProvince: Tuyen Quang; county: Ham Yen; municipality: Phu Luu ; locality: Khang stream ; decimalLatitude: 22.16812; decimalLongitude: 104.99143; geodeticDatum: WGS84; georeferenceProtocol: GPS; Identification: identifiedBy: Do Van Tu; dateIdentified: 2020; Event: samplingProtocol: hand net; eventDate: 2018-10-28; year: 2018; month: 10; day: 28; Record Level: type: PhysicalObject; institutionCode: ZMB; collectionCode: ZMB; basisOfRecord: PreservedSpecimen Type status: Other material. Occurrence: catalogNumber: ZMB 30378 ; recordedBy: Dang Van Dong; disposition: in collection; Taxon : scientificName: Caridina lanceifrons Yu , 1936; kingdom: Animal ; phylum: Arthropoda ; class: Malacostraca ; order: Decapoda ; family: Atyidae ; genus: Caridina ; specificEpithet: lanceifrons; taxonRank: Species ; scientificNameAuthorship: Yu , 1936; vernacularName: atyid shrimp; nomenclaturalCode: ICZN; taxonomicStatus: accepted; Location : country: Vietnam; countryCode: VN; stateProvince: Ha Giang; county: Vi Xuyen ; locality: Stream near Thanh Thuy border (4 km) ; decimalLatitude: 22.91206; decimalLongitude: 104.873; geodeticDatum: WGS84; georeferenceProtocol: GPS; Identification: identifiedBy: Do Van Tu; dateIdentified: 2020; Event: samplingProtocol: hand net; eventDate: 2019-2-23; year: 2019; month: 2; day: 23; Record Level: type: PhysicalObject; institutionCode: ZMB; collectionCode: ZMB; basisOfRecord: PreservedSpecimen Type status: Other material. Occurrence: catalogNumber: ZMB 30383 ; recordedBy: Dang Van Dong; disposition: in collection; Taxon : scientificName: Caridina lanceifrons Yu , 1936; kingdom: Animal ; phylum: Arthropoda ; class: Malacostraca ; order: Decapoda ; family: Atyidae ; genus: Caridina ; specificEpithet: lanceifrons; taxonRank: Species ; scientificNameAuthorship: Yu , 1936; vernacularName: atyid shrimp; nomenclaturalCode: ICZN; taxonomicStatus: accepted; Location : country: Vietnam; countryCode: VN; stateProvince: Lang Son; decimalLatitude: 22.25292; decimalLongitude: 106.4735; geodeticDatum: WGS84; georeferenceProtocol: GPS; Identification: identifiedBy: Do Van Tu; dateIdentified: 2020; Event: samplingProtocol: hand net; eventDate: 2019-4-27; year: 2019; month: 4; day: 27; Record Level: type: PhysicalObject; institutionCode: ZMB; collectionCode: ZMB; basisOfRecord: PreservedSpecimen Type status: Other material. Occurrence: catalogNumber: ZMB 30662 ; recordedBy: Thomas von Rintelen, Do Van Tu; disposition: in collection; Taxon : scientificName: Caridina lanceifrons Yu , 1936; kingdom: Animal ; phylum: Arthropoda ; class: Malacostraca ; order: Decapoda ; family: Atyidae ; genus: Caridina ; specificEpithet: lanceifrons; taxonRank: Species ; scientificNameAuthorship: Yu , 1936; vernacularName: atyid shrimp; nomenclaturalCode: ICZN; taxonomicStatus: accepted; Location : country: Vietnam; countryCode: VN; stateProvince: Ninh Binh; locality: River in limestone area Northeast of Cuc Phuong National Park ; decimalLatitude: 20.27252; decimalLongitude: 105.91127; geodeticDatum: WGS84; georeferenceProtocol: GPS; Identification: identifiedBy: Do Van Tu; dateIdentified: 2020; Event: samplingProtocol: hand net; eventDate: 2017-3-4; year: 2017; month: 3; day: 4; Record Level: type: PhysicalObject; institutionCode: ZMB; collectionCode: ZMB; basisOfRecord: PreservedSpecimen Type status: Other material. Occurrence: catalogNumber: ZMB 30672 ; recordedBy: Jens Kühne; disposition: in collection; Taxon : scientificName: Caridina lanceifrons Yu , 1936; kingdom: Animal ; phylum: Arthropoda ; class: Malacostraca ; order: Decapoda ; family: Atyidae ; genus: Caridina ; specificEpithet: lanceifrons; taxonRank: Species ; scientificNameAuthorship: Yu , 1936; vernacularName: atyid shrimp; nomenclaturalCode: ICZN; taxonomicStatus: accepted; Location : country: Vietnam; countryCode: VN; stateProvince: Da Nang; locality: Small cave pool behind hot spring, off road Da Nang - Prao ; decimalLatitude: 15.96194; decimalLongitude: 108.01972; geodeticDatum: WGS84; georeferenceProtocol: GPS; Identification: identifiedBy: Do Van Tu; dateIdentified: 2020; Event: samplingProtocol: hand net; Record Level: type: PhysicalObject; institutionCode: ZMB; collectionCode: ZMB; basisOfRecord: PreservedSpecimen Type status: Other material. Occurrence: catalogNumber: ZMB 30725 ; recordedBy: Tran Anh Duc; disposition: in collection; Taxon : scientificName: Caridina lanceifrons Yu , 1936; kingdom: Animal ; phylum: Arthropoda ; class: Malacostraca ; order: Decapoda ; family: Atyidae ; genus: Caridina ; specificEpithet: lanceifrons; taxonRank: Species ; scientificNameAuthorship: Yu , 1936; vernacularName: atyid shrimp; nomenclaturalCode: ICZN; taxonomicStatus: accepted; Location : country: Vietnam; countryCode: VN; stateProvince: Phu Tho; locality: Xuan Sơn National Park , Đ ồng Sơn , Than stream, site 2 ; decimalLatitude: 21.18762; decimalLongitude: 104.87303; geodeticDatum: WGS84; georeferenceProtocol: GPS; Identification: identifiedBy: Do Van Tu; dateIdentified: 2020; Event: samplingProtocol: hand net; eventDate: 2013-8-29; year: 2013; month: 8; day: 29; Record Level: type: PhysicalObject; institutionCode: ZMB; collectionCode: ZMB; basisOfRecord: PreservedSpecimen Type status: Other material. Occurrence: catalogNumber: ZMB 30726 ; recordedBy: Ngo Xuan Quang; disposition: in collection; Taxon: scientificName: Caridina lanceifrons Yu , 1936; kingdom: Animal ; phylum: Arthropoda ; class: Malacostraca ; order: Decapoda ; family: Atyidae ; genus: Caridina ; specificEpithet: lanceifrons; taxonRank: Species ; scientificNameAuthorship: Yu , 1936; vernacularName: atyid shrimp; nomenclaturalCode: ICZN; taxonomicStatus: accepted; Location : country: Vietnam; countryCode: VN; stateProvince: Nghe An; county: Con Cuong ; locality: Tung Hương village, Khe Thơi stream ; decimalLatitude: 19.08928; decimalLongitude: 104.66718; geodeticDatum: WGS84; georeferenceProtocol: GPS; Identification: identifiedBy: Do Van Tu; dateIdentified: 2020; Event: samplingProtocol: hand net; eventDate: 2012-12-21; year: 2012; month: 12; day: 21; Record Level: type: PhysicalObject; institutionCode: ZMB; collectionCode: ZMB; basisOfRecord: PreservedSpecimen Type status: Other material. Occurrence: catalogNumber: ZMB 30727 ; recordedBy: Ngo Xuan Quang; disposition: in collection; Taxon: scientificName: Caridina lanceifrons Yu , 1936; kingdom: Animal ; phylum: Arthropoda ; class: Malacostraca ; order: Decapoda ; family: Atyidae ; genus: Caridina ; specificEpithet: lanceifrons; taxonRank: Species ; scientificNameAuthorship: Yu , 1936; vernacularName: atyid shrimp; nomenclaturalCode: ICZN; taxonomicStatus: accepted; Location : country: Vietnam; countryCode: VN; stateProvince: Nghe An; locality: Pu Mat National Park , Khe Kcm stream, site 4 ; decimalLatitude: 18.9389; decimalLongitude: 104.80595; geodeticDatum: WGS84; georeferenceProtocol: GPS; Identification: identifiedBy: Do Van Tu; dateIdentified: 2020; Event: samplingProtocol: hand net; eventDate: 2012-12-20; year: 2012; month: 12; day: 20; Record Level: type: PhysicalObject; institutionCode: ZMB; collectionCode: ZMB; basisOfRecord: PreservedSpecimen Type status: Other material. Occurrence: catalogNumber: ZMB 31576 ; recordedBy: Do Van Tu; disposition: in collection; Taxon : scientificName: Caridina lanceifrons Yu , 1936; kingdom: Animal ; phylum: Arthropoda ; class: Malacostraca ; order: Decapoda ; family: Atyidae ; genus: Caridina ; specificEpithet: lanceifrons; taxonRank: Species ; scientificNameAuthorship: Yu , 1936; vernacularName: atyid shrimp; nomenclaturalCode: ICZN; taxonomicStatus: accepted; Location : country: Vietnam; countryCode: VN; stateProvince: Quang Ninh; county: Mong Cai; decimalLatitude: 21.54096; decimalLongitude: 107.73986; geodeticDatum: WGS84; georeferenceProtocol: GPS; Identification: identifiedBy: Do Van Tu; dateIdentified: 2020; Event: samplingProtocol: hand net; eventDate: 2018-1-24; year: 2018; month: 1; day: 24; Record Level: type: PhysicalObject; institutionCode: ZMB; collectionCode: ZMB; basisOfRecord: PreservedSpecimen Type status: Other material. Occurrence: catalogNumber: ZMB 31587 ; recordedBy: Do Van Tu; disposition: in collection; Taxon : scientificName: Caridina lanceifrons Yu , 1936; kingdom: Animal ; phylum: Arthropoda ; class: Malacostraca ; order: Decapoda ; family: Atyidae ; genus: Caridina ; specificEpithet: lanceifrons; taxonRank: Species ; scientificNameAuthorship: Yu , 1936; vernacularName: atyid shrimp; nomenclaturalCode: ICZN; taxonomicStatus: accepted; Location : country: Vietnam; countryCode: VN; stateProvince: Lai Chau; decimalLatitude: 22.27960; decimalLongitude: 103.38803; geodeticDatum: WGS84; georeferenceProtocol: GPS; Identification: identifiedBy: Do Van Tu; dateIdentified: 2020; Event: samplingProtocol: hand net; eventDate: 2018-4-29; year: 2018; month: 4; day: 29; Record Level: type: PhysicalObject; institutionCode: ZMB; collectionCode: ZMB; basisOfRecord: PreservedSpecimen Type status: Other material. Occurrence: catalogNumber: ZMB 31589 ; recordedBy: Do Van Tu; disposition: in collection; Taxon : scientificName: Caridina lanceifrons Yu , 1936; kingdom: Animal ; phylum: Arthropoda ; class: Malacostraca ; order: Decapoda ; family: Atyidae ; genus: Caridina ; specificEpithet: lanceifrons; taxonRank: Species ; scientificNameAuthorship: Yu , 1936; vernacularName: atyid shrimp; nomenclaturalCode: ICZN; taxonomicStatus: accepted; Location : country: Vietnam; countryCode: VN; stateProvince: Lai Chau; decimalLatitude: 22.32786; decimalLongitude: 103.35493; geodeticDatum: WGS84; georeferenceProtocol: GPS; Identification: identifiedBy: Do Van Tu; dateIdentified: 2020; Event: samplingProtocol: hand net; eventDate: 2018-4-30; year: 2018; month: 4; day: 30; Record Level: type: PhysicalObject; institutionCode: ZMB; collectionCode: ZMB; basisOfRecord: PreservedSpecimen Type status: Other material. Occurrence: catalogNumber: ZMB 31594 ; recordedBy: Do Van Tu; disposition: in collection; Taxon : scientificName: Caridina lanceifrons Yu , 1936; kingdom: Animal ; phylum: Arthropoda ; class: Malacostraca ; order: Decapoda ; family: Atyidae ; genus: Caridina ; specificEpithet: lanceifrons; taxonRank: Species ; scientificNameAuthorship: Yu , 1936; vernacularName: atyid shrimp; nomenclaturalCode: ICZN; taxonomicStatus: accepted; Location : country: Vietnam; countryCode: VN; stateProvince: Lang Son; decimalLatitude: 21.47528; decimalLongitude: 107.16556; geodeticDatum: WGS84; georeferenceProtocol: GPS; Identification: identifiedBy: Do Van Tu; dateIdentified: 2020; Event: samplingProtocol: hand net; eventDate: 2018-3-18; year: 2018; month: 3; day: 18; Record Level: type: PhysicalObject; institutionCode: ZMB; collectionCode: ZMB; basisOfRecord: PreservedSpecimen Type status: Other material. Occurrence: catalogNumber: ZMB 31597 ; recordedBy: Do Van Tu; disposition: in collection; Taxon : scientificName: Caridina lanceifrons Yu , 1936; kingdom: Animal ; phylum: Arthropoda ; class: Malacostraca ; order: Decapoda ; family: Atyidae ; genus: Caridina ; specificEpithet: lanceifrons; taxonRank: Species ; scientificNameAuthorship: Yu , 1936; vernacularName: atyid shrimp; nomenclaturalCode: ICZN; taxonomicStatus: accepted; Location : country: Vietnam; countryCode: VN; stateProvince: Quang Ninh; county: Tien Yen; locality: Khe Cau ; decimalLatitude: 21.38944; decimalLongitude: 107.27306; geodeticDatum: WGS84; georeferenceProtocol: GPS; Identification: identifiedBy: Do Van Tu; dateIdentified: 2020; Event: samplingProtocol: hand net; eventDate: 2018-3-19; year: 2018; month: 3; day: 19; Record Level: type: PhysicalObject; institutionCode: ZMB; collectionCode: ZMB; basisOfRecord: PreservedSpecimen Type status: Other material. Occurrence: catalogNumber: ZMB 31598 ; recordedBy: Do Van Tu; disposition: in collection; Taxon : scientificName: Caridina lanceifrons Yu , 1936; kingdom: Animal ; phylum: Arthropoda ; class: Malacostraca ; order: Decapoda ; family: Atyidae ; genus: Caridina ; specificEpithet: lanceifrons; taxonRank: Species ; scientificNameAuthorship: Yu , 1936; vernacularName: atyid shrimp; nomenclaturalCode: ICZN; taxonomicStatus: accepted; Location : country: Vietnam; countryCode: VN; stateProvince: Bac Kan; county: Cho Moi ; decimalLatitude: 21.89644; decimalLongitude: 105.79489; geodeticDatum: WGS84; georeferenceProtocol: GPS; Identification: identifiedBy: Do Van Tu; dateIdentified: 2020; Event: samplingProtocol: hand net; eventDate: 2018-3-16; year: 2018; month: 3; day: 16; Record Level: type: PhysicalObject; institutionCode: ZMB; collectionCode: ZMB; basisOfRecord: PreservedSpecimen Type status: Other material. Occurrence: catalogNumber: ZMB 31609 ; recordedBy: Do Van Tu; disposition: in collection; Taxon : scientificName: Caridina lanceifrons Yu , 1936; kingdom: Animal ; phylum: Arthropoda ; class: Malacostraca ; order: Decapoda ; family: Atyidae ; genus: Caridina ; specificEpithet: lanceifrons; taxonRank: Species ; scientificNameAuthorship: Yu , 1936; vernacularName: atyid shrimp; nomenclaturalCode: ICZN; taxonomicStatus: accepted; Location : country: Vietnam; countryCode: VN; stateProvince: Thua Thien-Hue; locality: Bach Ma National Park , Khe Phen Tren ; decimalLatitude: 16.21725; decimalLongitude: 107.87695; geodeticDatum: WGS84; georeferenceProtocol: GPS; Identification: identifiedBy: Do Van Tu; dateIdentified: 2020; Event: samplingProtocol: hand net; eventDate: 2018-6-6; year: 2018; month: 6; day: 6; Record Level: type: PhysicalObject; institutionCode: ZMB; collectionCode: ZMB; basisOfRecord: PreservedSpecimen Type status: Other material. Occurrence: catalogNumber: ZMB 31611 ; recordedBy: Virginia Duwe; disposition: in collection; Taxon : scientificName: Caridina lanceifrons Yu , 1936; kingdom: Animal ; phylum: Arthropoda ; class: Malacostraca ; order: Decapoda ; family: Atyidae ; genus: Caridina ; specificEpithet: lanceifrons; taxonRank: Species ; scientificNameAuthorship: Yu , 1936; vernacularName: atyid shrimp; nomenclaturalCode: ICZN; taxonomicStatus: accepted; Location : country: Vietnam; countryCode: VN; stateProvince: Thua Thien-Hue; locality: Bach Ma National Park , Khe Su ; decimalLatitude: 16.22428; decimalLongitude: 107.882; geodeticDatum: WGS84; georeferenceProtocol: GPS; Identification: identifiedBy: Do Van Tu; dateIdentified: 2020; Event: samplingProtocol: hand net; eventDate: 2018-6-11; year: 2018; month: 6; day: 11; Record Level: type: PhysicalObject; institutionCode: ZMB; collectionCode: ZMB; basisOfRecord: PreservedSpecimen Type status: Other material. Occurrence: catalogNumber: ZMB 31624 ; recordedBy: Andreas Karge; disposition: in collection; Taxon : scientificName: Caridina lanceifrons Yu , 1936; kingdom: Animal ; phylum: Arthropoda ; class: Malacostraca ; order: Decapoda ; family: Atyidae ; genus: Caridina ; specificEpithet: lanceifrons; taxonRank: Species ; scientificNameAuthorship: Yu , 1936; vernacularName: atyid shrimp; nomenclaturalCode: ICZN; taxonomicStatus: accepted; Location : country: Vietnam; countryCode: VN; stateProvince: Da Nang; locality: Hai Van Pass (Southeast) ; decimalLatitude: 16.16935; decimalLongitude: 108.12638; geodeticDatum: WGS84; georeferenceProtocol: GPS; Identification: identifiedBy: Do Van Tu; dateIdentified: 2020; Event: samplingProtocol: hand net; eventDate: 2009-7-16; year: 2009; month: 7; day: 16; Record Level: type: PhysicalObject; institutionCode: ZMB; collectionCode: ZMB; basisOfRecord: PreservedSpecimen Type status: Other material. Occurrence: catalogNumber: ZMB 32285 ; recordedBy: Do Van Tu; disposition: in collection; Taxon : scientificName: Caridina lanceifrons Yu , 1936; kingdom: Animal ; phylum: Arthropoda ; class: Malacostraca ; order: Decapoda ; family: Atyidae ; genus: Caridina ; specificEpithet: lanceifrons; taxonRank: Species ; scientificNameAuthorship: Yu , 1936; vernacularName: atyid shrimp; nomenclaturalCode: ICZN; taxonomicStatus: accepted; Location : country: Vietnam; countryCode: VN; stateProvince: Ha Nam; county: Kim Bang ; decimalLatitude: 20.57350; decimalLongitude: 105.83371; geodeticDatum: WGS84; georeferenceProtocol: GPS; Identification: identifiedBy: Do Van Tu; dateIdentified: 2020; Event: samplingProtocol: hand net; eventDate: 2020-5-31; year: 2020; month: 5; day: 31; Record Level: type: PhysicalObject; institutionCode: ZMB; collectionCode: ZMB; basisOfRecord: PreservedSpecimen Type status: Other material. Occurrence: catalogNumber: ZMB 33800 ; recordedBy: Do Van Tu; disposition: in collection; Taxon : scientificName: Caridina lanceifrons Yu , 1936; kingdom: Animal ; phylum: Arthropoda ; class: Malacostraca ; order: Decapoda ; family: Atyidae ; genus: Caridina ; specificEpithet: lanceifrons; taxonRank: Species ; scientificNameAuthorship: Yu , 1936; vernacularName: atyid shrimp; nomenclaturalCode: ICZN; taxonomicStatus: accepted; Location : country: Vietnam; countryCode: VN; stateProvince: Nam Dinh; county: Nghia Hung ; decimalLatitude: 20.19045; decimalLongitude: 106.18031; geodeticDatum: WGS84; georeferenceProtocol: GPS; Identification: identifiedBy: Do Van Tu; dateIdentified: 2020; Event: samplingProtocol: hand net; eventDate: 2020-5-31; year: 2020; month: 5; day: 31; Record Level: type: PhysicalObject; institutionCode: ZMB; collectionCode: ZMB; basisOfRecord: PreservedSpecimen Type status: Other material. Occurrence: catalogNumber: ZMB 33811 ; recordedBy: Do Van Tu; disposition: in collection; Taxon : scientificName: Caridina lanceifrons Yu , 1936; kingdom: Animal ; phylum: Arthropoda ; class: Malacostraca ; order: Decapoda ; family: Atyidae ; genus: Caridina ; specificEpithet: lanceifrons; taxonRank: Species ; scientificNameAuthorship: Yu , 1936; vernacularName: atyid shrimp; nomenclaturalCode: ICZN; taxonomicStatus: accepted; Location : country: Vietnam; countryCode: VN; stateProvince: Ha Giang; county: Bac Quang; verbatimElevation: 342 m; decimalLatitude: 22.51194; decimalLongitude: 104.84938; geodeticDatum: WGS84; georeferenceProtocol: GPS; Identification: identifiedBy: Do Van Tu; dateIdentified: 2020; Event: samplingProtocol: hand net; eventDate: 2020-10-12; year: 2020; month: 10; day: 12; Record Level: type: PhysicalObject; institutionCode: ZMB; collectionCode: ZMB; basisOfRecord: PreservedSpecimen Type status: Other material. Occurrence: catalogNumber: ZMB 33812 ; recordedBy: Do Van Tu; disposition: in collection; Taxon : scientificName: Caridina lanceifrons Yu , 1936; kingdom: Animal ; phylum: Arthropoda ; class: Malacostraca ; order: Decapoda ; family: Atyidae ; genus: Caridina ; specificEpithet: lanceifrons; taxonRank: Species ; scientificNameAuthorship: Yu , 1936; vernacularName: atyid shrimp; nomenclaturalCode: ICZN; taxonomicStatus: accepted; Location : country: Vietnam; countryCode: VN; stateProvince: Ha Giang; county: Bac Quang; verbatimElevation: 262 m a.s.l; decimalLatitude: 22.50507; decimalLongitude: 104.85352; geodeticDatum: WGS84; georeferenceProtocol: GPS; Identification: identifiedBy: Do Van Tu; dateIdentified: 2020; Event: samplingProtocol: hand net; eventDate: 2020-10-12; year: 2020; month: 10; day: 12; Record Level: type: PhysicalObject; institutionCode: ZMB; collectionCode: ZMB; basisOfRecord: PreservedSpecimen Type status: Other material. Occurrence: catalogNumber: ZMB 33795 ; recordedBy: Do Van Tu, Dang Van Dong , Nguyen Tong Cuong' ; disposition: in collection; Taxon : scientificName: Caridina lanceifrons Yu , 1936; kingdom: Animal ; phylum: Arthropoda ; class: Malacostraca ; order: Decapoda ; family: Atyidae ; genus: Caridina ; specificEpithet: lanceifrons; taxonRank: Species ; scientificNameAuthorship: Yu , 1936; vernacularName: atyid shrimp; nomenclaturalCode: ICZN; taxonomicStatus: accepted; Location : country: Vietnam; countryCode: VN; stateProvince: Bac Kan; county: Cho Don ; verbatimElevation: 277 m a.s.l.; decimalLatitude: 22.21619; decimalLongitude: 105.49067; geodeticDatum: WGS84; georeferenceProtocol: GPS; Identification: identifiedBy: Do Van Tu; dateIdentified: 2020; Event: samplingProtocol: hand net; eventDate: 2020-7-26; year: 2020; month: 7; day: 26; Record Level: type: PhysicalObject; institutionCode: ZMB; collectionCode: ZMB; basisOfRecord: PreservedSpecimen Type status: Other material. Occurrence: catalogNumber: ZMB 33794 ; recordedBy: Do Van Tu, Dang Van Dong , Nguyen Tong Cuong' ; disposition: in collection; Taxon : scientificName: Caridina lanceifrons Yu , 1936; kingdom: Animal ; phylum: Arthropoda ; class: Malacostraca ; order: Decapoda ; family: Atyidae ; genus: Caridina ; specificEpithet: lanceifrons; taxonRank: Species ; scientificNameAuthorship: Yu , 1936; vernacularName: atyid shrimp; nomenclaturalCode: ICZN; taxonomicStatus: accepted; Location : country: Vietnam; countryCode: VN; stateProvince: Bac Kan; county: Cho Don ; verbatimElevation: 300 m a.s.l.; decimalLatitude: 22.29353; decimalLongitude: 105.55729; geodeticDatum: WGS84; georeferenceProtocol: GPS; Identification: identifiedBy: Do Van Tu; dateIdentified: 2020; Event: samplingProtocol: hand net; eventDate: 2020-7-29; year: 2020; month: 7; day: 29; Record Level: type: PhysicalObject; institutionCode: ZMB; collectionCode: ZMB; basisOfRecord: PreservedSpecimen Type status: Other material. Occurrence: catalogNumber: ZMB 33796 ; recordedBy: Nguyen Dinh Tao; disposition: in collection; Taxon : scientificName: Caridina lanceifrons Yu , 1936; kingdom: Animal ; phylum: Arthropoda ; class: Malacostraca ; order: Decapoda ; family: Atyidae ; genus: Caridina ; specificEpithet: lanceifrons; taxonRank: Species ; scientificNameAuthorship: Yu , 1936; vernacularName: atyid shrimp; nomenclaturalCode: ICZN; taxonomicStatus: accepted; Location : country: Vietnam; countryCode: VN; stateProvince: Dien Bien; locality: Muong Cha ; decimalLatitude: 21.90375; decimalLongitude: 103.27797; geodeticDatum: WGS84; georeferenceProtocol: GPS; Identification: identifiedBy: Do Van Tu; dateIdentified: 2020; Event: samplingProtocol: hand net; eventDate: 2021-1-13; year: 2021; month: 1; day: 13; Record Level: type: PhysicalObject; institutionCode: ZMB; collectionCode: ZMB; basisOfRecord: PreservedSpecimen Type status: Other material. Occurrence: catalogNumber: HUS ; recordedBy: Do Van Tu; disposition: in collection; Taxon : scientificName: Caridina lanceifrons Yu , 1936; kingdom: Animal ; phylum: Arthropoda ; class: Malacostraca ; order: Decapoda ; family: Atyidae ; genus: Caridina ; specificEpithet: lanceifrons; taxonRank: Species ; scientificNameAuthorship: Yu , 1936; vernacularName: atyid shrimp; nomenclaturalCode: ICZN; taxonomicStatus: accepted; Location : country: Vietnam; countryCode: VN; stateProvince: Ha Noi; county: Phu Xuyen ; decimalLatitude: 20.78683; decimalLongitude: 105.92394; geodeticDatum: WGS84; georeferenceProtocol: GPS; Identification: identifiedBy: Do Van Tu; dateIdentified: 2020; Event: samplingProtocol: hand net; eventDate: 2020-7; year: 2020; month: 7; Record Level: type: PhysicalObject; institutionCode: HUS; collectionCode: HUS; basisOfRecord: PreservedSpecimen Type status: Other material. Occurrence: catalogNumber: ZMB 33814 ; recordedBy: Do Van Tu; disposition: in collection; Taxon : scientificName: Caridina lanceifrons Yu , 1936; kingdom: Animal ; phylum: Arthropoda ; class: Malacostraca ; order: Decapoda ; family: Atyidae ; genus: Caridina ; specificEpithet: lanceifrons; taxonRank: Species ; scientificNameAuthorship: Yu , 1936; vernacularName: atyid shrimp; nomenclaturalCode: ICZN; taxonomicStatus: accepted; Location : country: Vietnam; countryCode: VN; stateProvince: Hung Yen; county: Khoai Chau; decimalLatitude: 20.84383; decimalLongitude: 105.92075; geodeticDatum: WGS84; georeferenceProtocol: GPS; Identification: identifiedBy: Do Van Tu; dateIdentified: 2020; Event: samplingProtocol: hand net; eventDate: 2020-7; year: 2020; month: 7; Record Level: type: PhysicalObject; institutionCode: ZMB; collectionCode: ZMB; basisOfRecord: PreservedSpecimen Type status: Other material. Occurrence: catalogNumber: ZMB 33816 ; recordedBy: Do Van Tu; disposition: in collection; Taxon : scientificName: Caridina lanceifrons Yu , 1936; kingdom: Animal ; phylum: Arthropoda ; class: Malacostraca ; order: Decapoda ; family: Atyidae ; genus: Caridina ; specificEpithet: lanceifrons; taxonRank: Species ; scientificNameAuthorship: Yu , 1936; vernacularName: atyid shrimp; nomenclaturalCode: ICZN; taxonomicStatus: accepted; Location : country: Vietnam; countryCode: VN; stateProvince: Ha Noi; county: Son Tay ; decimalLatitude: 21.15839; decimalLongitude: 105.48942; geodeticDatum: WGS84; georeferenceProtocol: GPS; Identification: identifiedBy: Do Van Tu; dateIdentified: 2020; Event: samplingProtocol: hand net; eventDate: 2020-7; year: 2020; month: 7; Record Level: type: PhysicalObject; institutionCode: ZMB; collectionCode: ZMB; basisOfRecord: PreservedSpecimen Type status: Other material. Occurrence: catalogNumber: HUS ; recordedBy: Do Van Tu; disposition: in collection; Taxon : scientificName: Caridina lanceifrons Yu , 1936; kingdom: Animal ; phylum: Arthropoda ; class: Malacostraca ; order: Decapoda ; family: Atyidae ; genus: Caridina ; specificEpithet: lanceifrons; taxonRank: Species ; scientificNameAuthorship: Yu , 1936; vernacularName: atyid shrimp; nomenclaturalCode: ICZN; taxonomicStatus: accepted; Location : country: Vietnam; countryCode: VN; stateProvince: Yen Bai; county: Van Yen; decimalLatitude: 21.88031; decimalLongitude: 104.67986; geodeticDatum: WGS84; georeferenceProtocol: GPS; Identification: identifiedBy: Do Van Tu; dateIdentified: 2020; Event: samplingProtocol: hand net; eventDate: 2020-7; year: 2020; month: 7; Record Level: type: PhysicalObject; institutionCode: HUS; collectionCode: HUS; basisOfRecord: PreservedSpecimen Type status: Other material. Occurrence: catalogNumber: ZMB 33818 ; recordedBy: Do Van Tu; disposition: in collection; Taxon : scientificName: Caridina lanceifrons Yu , 1936; kingdom: Animal ; phylum: Arthropoda ; class: Malacostraca ; order: Decapoda ; family: Atyidae ; genus: Caridina ; specificEpithet: lanceifrons; taxonRank: Species ; scientificNameAuthorship: Yu , 1936; vernacularName: atyid shrimp; nomenclaturalCode: ICZN; taxonomicStatus: accepted; Location : country: Vietnam; countryCode: VN; stateProvince: Lao Cai; county: Bao Thang ; decimalLatitude: 22.45364; decimalLongitude: 104.02578; geodeticDatum: WGS84; georeferenceProtocol: GPS; Identification: identifiedBy: Do Van Tu; dateIdentified: 2020; Event: samplingProtocol: hand net; eventDate: 2020-7-16; year: 2020; month: 7; day: 16; Record Level: type: PhysicalObject; institutionCode: ZMB; collectionCode: ZMB; basisOfRecord: PreservedSpecimen Type status: Other material. Occurrence: catalogNumber: ZMB 33819 ; recordedBy: Do Van Tu; disposition: in collection; Taxon : scientificName: Caridina lanceifrons Yu , 1936; kingdom: Animal ; phylum: Arthropoda ; class: Malacostraca ; order: Decapoda ; family: Atyidae ; genus: Caridina ; specificEpithet: lanceifrons; taxonRank: Species ; scientificNameAuthorship: Yu , 1936; vernacularName: atyid shrimp; nomenclaturalCode: ICZN; taxonomicStatus: accepted; Location : country: Vietnam; countryCode: VN; stateProvince: Lao Cai; decimalLatitude: 22.48606; decimalLongitude: 103.97786; geodeticDatum: WGS84; georeferenceProtocol: GPS; Identification: identifiedBy: Do Van Tu; dateIdentified: 2020; Event: samplingProtocol: hand net; eventDate: 2020-7; year: 2020; month: 7; Record Level: type: PhysicalObject; institutionCode: ZMB; collectionCode: ZMB; basisOfRecord: PreservedSpecimen Type status: Other material. Occurrence: catalogNumber: ZMB 33821 ; recordedBy: Do Van Tu; disposition: in collection; Taxon : scientificName: Caridina lanceifrons Yu , 1936; kingdom: Animal ; phylum: Arthropoda ; class: Malacostraca ; order: Decapoda ; family: Atyidae ; genus: Caridina ; specificEpithet: lanceifrons; taxonRank: Species ; scientificNameAuthorship: Yu , 1936; vernacularName: atyid shrimp; nomenclaturalCode: ICZN; taxonomicStatus: accepted; Location : country: Vietnam; countryCode: VN; stateProvince: Yen Bai; county: Van Yen; decimalLatitude: 21.87769; decimalLongitude: 104.67942; geodeticDatum: WGS84; georeferenceProtocol: GPS; Identification: identifiedBy: Do Van Tu; dateIdentified: 2020; Event: samplingProtocol: hand net; eventDate: 2020-7-17; year: 2020; month: 7; day: 17; Record Level: type: PhysicalObject; institutionCode: ZMB; collectionCode: ZMB; basisOfRecord: PreservedSpecimen Type status: Other material. Occurrence: catalogNumber: HUS ; recordedBy: Do Van Tu; disposition: in collection; Taxon : scientificName: Caridina lanceifrons Yu , 1936; kingdom: Animal ; phylum: Arthropoda ; class: Malacostraca ; order: Decapoda ; family: Atyidae ; genus: Caridina ; specificEpithet: lanceifrons; taxonRank: Species ; scientificNameAuthorship: Yu , 1936; vernacularName: atyid shrimp; nomenclaturalCode: ICZN; taxonomicStatus: accepted; Location : country: Vietnam; countryCode: VN; stateProvince: Lao Cai; decimalLatitude: 22.48533; decimalLongitude: 103.97714; geodeticDatum: WGS84; georeferenceProtocol: GPS; Identification: identifiedBy: Do Van Tu; dateIdentified: 2020; Event: samplingProtocol: hand net; eventDate: 2020-7-15; year: 2020; month: 7; day: 15; Record Level: type: PhysicalObject; institutionCode: HUS; collectionCode: HUS; basisOfRecord: PreservedSpecimen Type status: Other material. Occurrence: catalogNumber: ZMB 33823 ; recordedBy: Do Van Tu; disposition: in collection; Taxon : scientificName: Caridina lanceifrons Yu , 1936; kingdom: Animal ; phylum: Arthropoda ; class: Malacostraca ; order: Decapoda ; family: Atyidae ; genus: Caridina ; specificEpithet: lanceifrons; taxonRank: Species ; scientificNameAuthorship: Yu , 1936; vernacularName: atyid shrimp; nomenclaturalCode: ICZN; taxonomicStatus: accepted; Location : country: Vietnam; countryCode: VN; stateProvince: Vinh Phuc; county: Vinh Tuong ; decimalLatitude: 21.25083; decimalLongitude: 105.44683; geodeticDatum: WGS84; georeferenceProtocol: GPS; Identification: identifiedBy: Do Van Tu; dateIdentified: 2020; Event: samplingProtocol: hand net; eventDate: 2020-7-19; year: 2020; month: 7; day: 19; Record Level: type: PhysicalObject; institutionCode: ZMB; collectionCode: ZMB; basisOfRecord: PreservedSpecimen Type status: Other material. Occurrence: catalogNumber: HUS ; recordedBy: Do Van Tu; disposition: in collection; Taxon : scientificName: Caridina lanceifrons Yu , 1936; kingdom: Animal ; phylum: Arthropoda ; class: Malacostraca ; order: Decapoda ; family: Atyidae ; genus: Caridina ; specificEpithet: lanceifrons; taxonRank: Species ; scientificNameAuthorship: Yu , 1936; vernacularName: atyid shrimp; nomenclaturalCode: ICZN; taxonomicStatus: accepted; Location : country: Vietnam; countryCode: VN; stateProvince: Yen Bai; county: Van Yen; decimalLatitude: 22.00508; decimalLongitude: 104.54206; geodeticDatum: WGS84; georeferenceProtocol: GPS; Identification: identifiedBy: Do Van Tu; dateIdentified: 2020; Event: samplingProtocol: hand net; eventDate: 2020-7-16; year: 2020; month: 7; day: 16; Record Level: type: PhysicalObject; institutionCode: HUS; collectionCode: HUS; basisOfRecord: PreservedSpecimen Type status: Other material. Occurrence: catalogNumber: ZMB 33825 ; recordedBy: Do Van Tu; disposition: in collection; Taxon : scientificName: Caridina lanceifrons Yu , 1936; kingdom: Animal ; phylum: Arthropoda ; class: Malacostraca ; order: Decapoda ; family: Atyidae ; genus: Caridina ; specificEpithet: lanceifrons; taxonRank: Species ; scientificNameAuthorship: Yu , 1936; vernacularName: atyid shrimp; nomenclaturalCode: ICZN; taxonomicStatus: accepted; Location : country: Vietnam; countryCode: VN; stateProvince: Ha Noi; county: Dan Phuong ; decimalLatitude: 21.10503; decimalLongitude: 105.73303; geodeticDatum: WGS84; georeferenceProtocol: GPS; Identification: identifiedBy: Do Van Tu; dateIdentified: 2020; Event: samplingProtocol: hand net; eventDate: 2020-7; year: 2020; month: 7; Record Level: type: PhysicalObject; institutionCode: ZMB; collectionCode: ZMB; basisOfRecord: PreservedSpecimen Type status: Other material. Occurrence: catalogNumber: ZMB 33826 ; recordedBy: Do Van Tu; disposition: in collection; Taxon : scientificName: Caridina lanceifrons Yu , 1936; kingdom: Animal ; phylum: Arthropoda ; class: Malacostraca ; order: Decapoda ; family: Atyidae ; genus: Caridina ; specificEpithet: lanceifrons; taxonRank: Species ; scientificNameAuthorship: Yu , 1936; vernacularName: atyid shrimp; nomenclaturalCode: ICZN; taxonomicStatus: accepted; Location : country: Vietnam; countryCode: VN; stateProvince: Yen Bai; county: Van Yen; locality: Au Lau ; decimalLatitude: 21.70664; decimalLongitude: 104.86636; geodeticDatum: WGS84; georeferenceProtocol: GPS; Identification: identifiedBy: Do Van Tu; dateIdentified: 2020; Event: samplingProtocol: hand net; eventDate: 2020-7; year: 2020; month: 7; Record Level: type: PhysicalObject; institutionCode: ZMB; collectionCode: ZMB; basisOfRecord: PreservedSpecimen Type status: Other material. Occurrence: catalogNumber: ZMB 32691 ; recordedBy: Marco Endruweit , Wang Jing ; disposition: in collection; Taxon : scientificName: Caridina lanceifrons Yu , 1936; kingdom: Animal ; phylum: Arthropoda ; class: Malacostraca ; order: Decapoda ; family: Atyidae ; genus: Caridina ; specificEpithet: lanceifrons; taxonRank: Species ; scientificNameAuthorship: Yu , 1936; vernacularName: atyid shrimp; nomenclaturalCode: ICZN; taxonomicStatus: accepted; Location : country: China; countryCode: CN; stateProvince: Hainan; locality: Shilinghe River , 1 km North of Bacun (upstream), off the major road 40 Baoting - Lingshui , Wuzhishan Mountain South face, confluence of two streams, streams left and right of road, Lingshuihe River basin, Baoting County ; decimalLatitude: 18.75328; decimalLongitude: 109.73838; geodeticDatum: WGS84; georeferenceProtocol: GPS; Identification: identifiedBy: Do Van Tu; dateIdentified: 2020; Event: samplingProtocol: hand net; eventDate: 2011-7-27; year: 2011; month: 7; day: 27; Record Level: type: PhysicalObject; institutionCode: ZMB; collectionCode: ZMB; basisOfRecord: PreservedSpecimen Type status: Other material. Occurrence: catalogNumber: ZMB 29689 ; recordedBy: Marco Endruweit, Wang Jing ; disposition: in collection; Taxon : scientificName: Caridina lanceifrons Yu , 1936; kingdom: Animal ; phylum: Arthropoda ; class: Malacostraca ; order: Decapoda ; family: Atyidae ; genus: Caridina ; specificEpithet: lanceifrons; taxonRank: Species ; scientificNameAuthorship: Yu , 1936; vernacularName: atyid shrimp; nomenclaturalCode: ICZN; taxonomicStatus: accepted; Location : country: China; countryCode: CN; stateProvince: Hainan; locality: Hillstream at road Baisha - Nankai , crossing road from right to left, between Nanmeicun and Nanlancun, tributary to Nankaihe River , a southern tributary of the large Songtao Reservoir , Nandujiang River basin ; decimalLatitude: 19.10608; decimalLongitude: 109.42007; geodeticDatum: WGS84; georeferenceProtocol: GPS; Identification: identifiedBy: Do Van Tu; dateIdentified: 2020; Event: samplingProtocol: hand net; eventDate: 2011-7-30; year: 2011; month: 7; day: 30; Record Level: type: PhysicalObject; institutionCode: ZMB; collectionCode: ZMB; basisOfRecord: PreservedSpecimen Type status: Other material. Occurrence: catalogNumber: ZMB 29755 ; recordedBy: Chris Lukhaup; disposition: in collection; Taxon : scientificName: Caridina lanceifrons Yu , 1936; kingdom: Animal ; phylum: Arthropoda ; class: Malacostraca ; order: Decapoda ; family: Atyidae ; genus: Caridina ; specificEpithet: lanceifrons; taxonRank: Species ; scientificNameAuthorship: Yu , 1936; vernacularName: atyid shrimp; nomenclaturalCode: ICZN; taxonomicStatus: accepted; Location : country: China; countryCode: CN; stateProvince: Guangdong; locality: Mountains nr Tangshan ; decimalLatitude: 23.66126; decimalLongitude: 114.02508; geodeticDatum: WGS84; georeferenceProtocol: GPS; Identification: identifiedBy: Do Van Tu; dateIdentified: 2020; Event: samplingProtocol: hand net; eventDate: 2015-4-1; year: 2015; month: 4; day: 1; Record Level: type: PhysicalObject; institutionCode: ZMB; collectionCode: ZMB; basisOfRecord: PreservedSpecimen Type status: Other material. Occurrence: catalogNumber: ZMB 30684 ; recordedBy: Jens Kühne; disposition: in collection; Taxon : scientificName: Caridina lanceifrons Yu , 1936; kingdom: Animal ; phylum: Arthropoda ; class: Malacostraca ; order: Decapoda ; family: Atyidae ; genus: Caridina ; specificEpithet: lanceifrons; taxonRank: Species ; scientificNameAuthorship: Yu , 1936; vernacularName: atyid shrimp; nomenclaturalCode: ICZN; taxonomicStatus: accepted; Location : country: Thailand; countryCode: TH; stateProvince: Nakhon Si Thammarat; locality: Sichon , main river ; decimalLatitude: 9.00778; decimalLongitude: 99.82167; geodeticDatum: WGS84; georeferenceProtocol: GPS; Identification: identifiedBy: Do Van Tu; dateIdentified: 2020; Event: samplingProtocol: hand net; eventDate: 2017-2-1; year: 2017; month: 2; day: 1; Record Level: type: PhysicalObject; institutionCode: ZMB; collectionCode: ZMB; basisOfRecord: PreservedSpecimen Type status: Other material. Occurrence: catalogNumber: ZMB 32403 ; recordedBy: Jens Kühne; disposition: in collection; Taxon : scientificName: Caridina lanceifrons Yu , 1936; kingdom: Animal ; phylum: Arthropoda ; class: Malacostraca ; order: Decapoda ; family: Atyidae ; genus: Caridina ; specificEpithet: lanceifrons; taxonRank: Species ; scientificNameAuthorship: Yu , 1936; vernacularName: atyid shrimp; nomenclaturalCode: ICZN; taxonomicStatus: accepted; Location : country: Thailand; countryCode: TH; stateProvince: Nakhon Si Thammarat; locality: River after limestone cave (- 200m), Ban Wat Menao Wan (Ban Chang Klang), Amper Chandi ; decimalLatitude: 8.33417; decimalLongitude: 99.65139; geodeticDatum: WGS84; georeferenceProtocol: GPS; Identification: identifiedBy: Do Van Tu; dateIdentified: 2020; Event: samplingProtocol: hand net; eventDate: 2015-3-1; year: 2015; month: 3; day: 1; Record Level: type: PhysicalObject; institutionCode: ZMB; collectionCode: ZMB; basisOfRecord: PreservedSpecimen Type status: Other material. Occurrence: catalogNumber: ZMB 32405 ; recordedBy: Jens Kühne; disposition: in collection; Taxon : scientificName: Caridina lanceifrons Yu , 1936; kingdom: Animal ; phylum: Arthropoda ; class: Malacostraca ; order: Decapoda ; family: Atyidae ; genus: Caridina ; specificEpithet: lanceifrons; taxonRank: Species ; scientificNameAuthorship: Yu , 1936; vernacularName: atyid shrimp; nomenclaturalCode: ICZN; taxonomicStatus: accepted; Location : country: Thailand; countryCode: TH; stateProvince: Satun; locality: Amphoe Langhuu , near Manang ; decimalLatitude: 6.9; decimalLongitude: 99.8; geodeticDatum: WGS84; georeferenceProtocol: GPS; Identification: identifiedBy: Do Van Tu; dateIdentified: 2020; Event: samplingProtocol: hand net; eventDate: 2012-1-1; year: 2012; month: 1; day: 1; Record Level: type: PhysicalObject; institutionCode: ZMB; collectionCode: ZMB; basisOfRecord: PreservedSpecimen

Description

Material examined for description. 1 female, cl 3.5 (ZMB 33800), Vietnam: Nam Dinh Province, Nghia Hung District, Nghia Son Commune, Quan Lieu, 20°11'25.619''N 106°10'49.109'' E, [= type locality of Caridina flavilineata Dang, 1975], coll. Do Van Tu, 31 May 2020; 2 males, cl 3.5-3.6, 3 females, cl 4.6-5.6 (ZMB 33823), Vietnam: Vinh Phuc Province, Vinh Tuong District, 21°15'03.0"N 105°26'48.6"E, [= type locality of Caridina vietriensis Dang & Do, 2007], coll. Do Van Tu, 19 July 2020; 5 males, cl 2.6-5.0, 12 females, cl 2.8-5.3 (ZMB 30264), Vietnam: Da Nang City, Lang Van Commune, 16°10'4''N 108°8'32''E, [= near the type locality of Caridina pseudoflavilineata Do & Dang, 2010], coll. Do Van Tu, 5 May 2017.

Cephalothorax and cephalic appendages. Carapace length 2.6-5.3 mm. Rostrum straight, reaching near to or slightly beyond end of antennular peduncle, 0.45-0.96 (median 0.6) times as long as carapace, rostral formula: 4-6+10-16/1-5 (n = 10), teeth normal (Fig. 5 a). Suborbital angle acute, completely fused with antennal spine; pterygostomian margin rounded (Fig. 5 a). Eyes well developed with globular cornea, anterior end reaching to 0.7 times length of basal segment of antennular peduncle (Fig. 5 a). Antennular peduncle 0.6-0.63 (median 0.61) times as long as carapace; basal segment 1.56-2.33 (median 2.0) times as long as second segment, second segment 1.2-1.67 (median 1.4) times as long as third segment (Fig. 5 b). Stylocerite reaching to 0.72 times length of basal segment of antennular peduncle (Fig. 5 b). Scaphocerite reaching beyond distal end of antennular peduncle, 3.0-4.33 (median 3.41) times as long as wide (Fig. 5 c).

Abdominal somites, telson and uropods. Sixth abdominal somite 0.38-0.62 (median 0.44) times length of carapace, 1.36-1.64 (median 1.62) times as long as fifth abdominal somite, 0.6-1.0 (median 0.86) times length of telson. Telson length 2.33-3.85 (median 2.81) times as long as proximal width, distal margin triangular, terminating in a short median projection, with 5-6 pairs of dorsal spiniform setae and one pair of dorso-subdistal spiniform setae; distal end with 4-5 pairs of spiniform setae, lateral pair longer than intermediate pairs (Fig. 5 d). Preanal carina high, with few setae, lacking spine. Uropodal diaeresis with 14-22 (median 16) movable spiniform setae, outermost one slightly shorter than lateral angle (Fig. 5 e).

Pereiopods. Epipod present on first four pereiopods. First pereiopod short, robust, reaching to distal end of eyestalk; chela 1.89-2.4 (median 2.19) times as long as wide, 1.24-2.09 (median 1.44) times length of carpus; tips of fingers rounded, with hook; dactylus slightly longer than palm, 1.0-1.33 (median 1.11) times as long as palm; carpus excavated anteriorly, 1.22-2.0 (median 1.85) times as long as wide, 0.65-0.86 (median 0.8) times length of merus; merus 2.57-3.25 (median 2.86) times as long as wide, longer than ischium (Fig. 6 a). Second pereiopod long, slender, reaching to middle of second segment of antennular peduncle; chela 2.46-3.29 (median 2.56) times as long as wide, 0.73-0.96 (median 0.85) times length of carpus; tips of fingers rounded, without hook; dactylus 1.09-1.89 (median 1.36) times as long as palm; carpus 4.0-5.0 (median 4.5) times as long as wide, 1.0-1.05 (median 1.04) times as long as merus; merus 4.2-5.25 (median 5.2) times as long as wide, longer than ischium (Fig. 6 b). Third pereiopod slender, reaching to end of scaphocerite by its dactylus, terminating in two claws, with 5-7 accessory spiniform setae on flexor margin, dactylus 2.75-3.5 (median 2.9) times as long as wide (terminal claws and spiniform setae on flexor margin included), propodus 8.0-10.29 (median 9.0) times as long as wide, 3.25-5.29 (median 4.62) times as long as dactylus; carpus 3.75-5.0 (median 4.42) times as long as wide, 0.5-0.69 (median 0.58) times as long as propodus, 0.36-0.53 (median 0.47) times as long as merus; merus 5.83-7.33 (median 6.69) times as long as wide, bearing 3-5 strong, movable spiniform setae on posterior margin of outer surface; ischium with one movable spiniform seta (Fig. 6 c). Fifth pereiopod slender, reaching to end of second segment of antennular peduncle, dactylus 2.33-3.5 (median 2.9) times as long as wide (terminal claw and spiniform setae on flexor margin included), terminating in one large claw, with 22-38 spiniform setae on flexor margin; propodus 12.0-14.0 (median 13.1) times as long as wide, 4.14-5.71 (median 4.8) times length of dactylus; carpus 4.33-6.25 (median 5.0) times as long as wide, 0.47-0.56 (median 0.49) times as long as propodus, 0.54-0.69 (median 0.64) times as long as merus; merus 5.33-6.73 (median 5.92) times as long as wide, bearing 3-4 strong, movable spiniform setae on posterior margin of outer surface (Fig. 6 d).

Pleopods. Endopod of male first pleopod extending to 0.4 times length of exopod, subtriangular in shape, 2.09-2.88 (median 2.32) times as long as proximal width, rounded distally, long plumose setae on outer and distal margins, medium-length setae on inner margin; with appendix interna exceeding terminal margin of endopod by 0.5 times its length (Fig. 6 e). Appendix masculina of male second pleopod slender, sub-cylindrical, reaching to proximal 0.6 times endopod length, 6.67 times as long as distal width, finger-shaped, with some short spiniform setae on outer surface and some long spiniform setae on distal surface; appendix interna at the middle of appendix masculina, narrow, small, extending about 0.5 times length of appendix masculina (Fig. 6 f).

Colouration. Body yellowish (Fig. 7 a), females sometimes black or dark green with dorsal yellow stripe (Fig. 7 b).

Distribution

This species is widely distributed in northern Vietnam (no further south than Quang Nam Province in central Vietnam). In China, the species were found in Fujian, Guangdong, Guangxi, Hainan and Hunan ( Liang 2004). Our study also provides the first record for Caridina lanceifrons from Thailand, where it has been found in the southern Provinces of Nakhon Si Thammarat and Satun (Fig. 1 b). This apparently disjunct distribution seems indicative of a major sampling gap in Thailand, Laos and potentially Cambodia. However, the absence of this species from southern Vietnam is unlikely to be an artefact, as this part of the country has been surveyed extensively by the first author. This is the species with the widest distribution range when compared to other land-locked species in Vietnam (Fig. 1 b).

Ecology

This species inhabits mountain streams and rivers. We could not collect any specimens of this species from estuarine environments. In addition, based on egg-size (Table 1 ), we consider it as a land-locked species.

Taxon discussion

The populations in Vietnam showed no significant difference when compared to the original description of Caridina lanceifrons Yu, 1936 in Yu (1936) or the re-descriptions by Liang (2004) and Cai (2014).

Three species described from Vietnam have been considered synonyms of Caridina lanceifrons :

According to Li and Liang (2002), Caridina flavilineata Dang, 1975 is a junior synonym of Caridina lanceifrons Yu, 1936. Dang and Do (2008) and Dang and Ho (2012) commented that, although C. flavilineata is very close to C. lanceifrons , they can be distinguished by differences in some morphological characteristics, especially in body colour, egg size, appendix masculina, appendix interna and rostrum. By examination of many specimens of C. flavilineata collected throughout North Vietnam, including from the area of the type locality (ZMB 30390, ZMB 33800), we found that a black or dark green body colour, especially a yellow stripe, is only present in females and is not consistently found in every population; the egg size is similar to C. lanceifrons (0.9-0.95 × 0.5-0.6 compared to 0.84-0.9 × 0.56-0.62), the appendix masculina, the appendix interna and the rostrum did not show any significant differences. After checking many specimens from Vietnam, Liang (2004) also stated that there is no difference between these species. Caridina lanceifrons is very common in south China, especially in Hainan, Guangdong, Guangxi and (presumably) Fujian ( Liang 2004). In the Longzhou River that flows through North Vietnam, this species is abundant. Therefore, it can move upstream and is widely distributed throughout North Vietnam. Based on specimens collected from many sites in Vietnam and the descriptions by Dang (1975) and Yu (1936), we agree with Li and Liang (2002) and Liang (2004) and Cai (2014) that C. flavilineata Dang, 1975 is a junior synonym of Caridina lanceifrons Yu, 1936.

Dang and Do (2007a) described Caridina vietriensis from North Vietnam. According to these authors, this species differs from C. flavilineata in the rostrum, the endopod of the male’s first pleopod and body colour. However, they did not point out these differences clearly. They also did not compare Caridina vietriensis with C. lanceifrons . Based on the descriptions given by Dang and Do (2007a) and examination of specimens (ZMB 33823) collected from Phu Tho Province, the area of the type locality and surrounding zones, we here consider C. vietriensis as a synonym of C. lanceifrons .

Do and Dang (2010) also described Caridina pseudoflavilineata from the same locality as C. haivanensis Do & Dang, 2010 at Hai Van mountain pass. Unfortunately, we could not find this species again at the type locality during two of our surveys. These authors did not compare C. pseudoflavilineata with C. lanceifrons , but they compared it with C. flavilineata. They suggested that C. pseudoflavilineata can be distinguished from C. flavilineata by the shorter and sharper rostrum, the higher number of spiniform setae on the dactylus of the fifth pereiopod and uropodal diaeresis, the shape of endopod of male first pleopod and the larger eggs. However, based on the description and illustrations by these authors and the examination of specimens collected at some distance from the type localities, Thua Thien-Hue, Da Nang and Quang Nam, we here conclude that Caridina pseudoflavilineata Do & Dang, 2010 is identical to C. lanceifrons . The rostrum reaching to the end of the third segment of antennular peduncle with a sharpened tip, the subtriangular endopod of male first pleopod, the dactylus of the fifth pereiopod with 25-28 spiniform setae and uropodal diaeresis with 14-15 movable spiniform setae are the characteristics of C. lanceifrons ( Do and Dang (2010): figs. 3-4, cf. Yu (1936): figs. 5-6, Liang (2004): fig. 128, Cai (2014): Fig. 6). There is not any obvious character distinguishing these two species, except that the eggs of C. lanceifrons are slightly smaller than those of C. pseudoflavilineata (0.9-0.8 × 0.5-0.6 mm vs. 1.1 × 0.5 mm).