Oxynoemacheilus fatsaensis Saygun, Ağdamar & Özuluğ, 2021

Çiçek, Erdoğan, Sungur, Sevil, Fricke, Ronald & Seçer, Burak, 2023, Freshwater lampreys and fishes of Türkiye; an annotated checklist, 2023, Turkish Journal of Zoology 47 (6), pp. 324-468 : 348-350

Oxynoemacheilus fatsaensis Saygun, Ağdamar & Özuluğ, 2021 [E] ― Loach/Çöpçü balığı

Taxonomy. Original description: Oxynoemacheilus fatsaensis Saygun, Ağdamar & Özuluğ, 2021: 40 , figs. 2-6 [Elekçi Stream, Ordu Province, northern Anatolia, Türkiye, 40.53200°N, 37.23390°E; holotype: IUSHM 2021-1449]. ― Synonyms: None. ― Revisions: None. ― Illustration: Saygun et al. (2021: 40, figs. 2-6).

Status in Türkiye. Recorded from Türkiye in the original description by Saygun et al. (2021). ― Turkish material: IUSHM.

Distribution and habitat. Distribution in Türkiye: Elekçi Stream drainage. ― Distribution in river basins: 22-Doğu Karadeniz. ― General distribution: Asia Minor: Elekçi stream drainage, northern Anatolia, Türkiye. ― Distribution in ecoregions: 430-Northern Anatolia. ― Habitat: This species is found in moderately fast-flowing to almost-standing waters of springs, streams, and rivers with mud, sand, or gravel substrates. Freshwater.

Economic importance. No commercial importance.

Conservation. Conservation status in Türkiye: Unknown. ― IUCN: NE (2023). ― Threats: Unknown. ― Moderate sensitivity to human activities. ― Keystone species.― Decline status: Unknown. ― Moderate priority for conservation action.

Oxynoemacheilus frenatus (Heckel, 1843) [N] ― Banded Tigris loach/Çöpçü balığı

Taxonomy. Original description: Cobitis frenata Heckel, 1843: 1086 (96) [Tigris River, Mosul, Iraq; syntypes: NMW 48552 (5), NRM 15477 (1)]. ― Synonyms: Nemacheilus frenatus (Heckel, 1843) ; Orthrias frenatus (Heckel, 1843) ; Barbatula frenata (Heckel, 1843) ; Nemacheilus frenatus ( Heckel, 1847) ; Orthrias frenatus (Heckel, 1843) . ― Revisions: Prokofiev (2009: 880). ― Illustration: Heckel (1843: Pl. 12 (fig. 1)) as Cobitis frenatus .

Status in Türkiye. Listed in previous checklists from Türkiye by Kuru (2004) as Noemacheilus frenatus ; Fricke et al. (2007) as Orthrias frenatus ; Kuru et al. (2014); Çiçek et al. (2015, 2020). ― Turkish materials: None.

Distribution and habitat. Distribution in Türkiye: Euphrates and Tigris River basins. ― Distribution in river basins: 21-Fırat-Dicle. ― General distribution: Asia Minor and Middle East: Tigris River basin and Lesser Zab drainage ( Türkiye, Iraq, and Iran). ― Distribution in ecoregions: 441-Lower Tigris and Euphrates, 442-Upper Tigris and Euphrates. ― Habitat: This species occurs in moderately fast-flowing to almost-standing waters of springs, streams, and rivers with mud or gravel substrates. Freshwater.

Economic importance. No commercial importance.

Conservation. Conservation status in Türkiye: Unknown. ― IUCN: LC (IUCN, 2023). ― Threats: ABS, CON, HAB. ― High sensitivity to human activities. ― Keystone species. ― Decline status: Stable. ― High priority for conservation action.

Oxynoemacheilus germencicus ( Erk’akan, Nalbant & Özeren, 2007) [E] ― Carian loach/Çöpçü balığı Taxonomy. Original description: Barbatula germencica Erk’akan, Nalbant & Özeren, 2007: 70, fig. 2 [Aydın, Germencik, 15th kilometer, 37°38′N, 27°18′E (not correct, probably north of Germencik), Türkiye; holotype: HUIC BM-1]. ― Synonyms: Oxynoemacheilus cinicus ( Erk’akan, Nalbant & Özeren, 2007); Oxynoemacheilus mesudae Erk’akan 2012; Barbatula cinica Erk’akan, Nalbant & Özeren, 2007. ― Revisions: None. ― Erk’akan et al. (2007: 79, fig. 9).

Status in Türkiye. Recorded from Türkiye in the original description by Erk’akan et al. (2007). Listed in previous checklists from Türkiye by Kuru et al. (2014); Çiçek et al. (2015, 2018 a, 2020). ― Turkish material: HUIC.

Distribution and habitat. Distribution in Türkiye: Aegean Sea region basins. ― Distribution in river basins: 5-Gediz, 6-Küçük Menderes, 7-Büyük Menderes ― General distribution: Asia Minor: Büyük Menderes River basin (Aegean Sea tributary), Aydιn Province ( Türkiye). ― Distribution in ecoregions: 429-Western Anatolia. ― Habitat: This species occurs in moderately fast-flowing to almost-standing waters of springs, streams, and rivers with mud, sand, or gravel substrates. Freshwater.

Economic importance. No commercial importance.

Conservation. Conservation status in Türkiye: VU. ― IUCN: VU (IUCN, 2023). ― Threats: ABS; CLI, CON, EUT, HAB. ― High sensitivity to human activities. ― Keystone species. ― Decline status: Decreasing. ― Moderate priority for conservation action.

Oxynoemacheilus hamwii ( Krupp & Schneider, 1991) [N] ― Orontes sportive loach/Çöpçü balığı

Taxonomy. Original description: Nemacheilus hamwii Krupp & Schneider, 1991: 24 , figs. 1-5 [Nahr Afrin in Afrin, Syria, 36°31′N, 36°52′E; holotype: SMF 17398]. ― Synonyms: None. ― Revisions: None. ― Illustration: Krupp and Schneider (1991: 24, figs. 1-5).

Status in Türkiye. Listed in previous checklists from Türkiye by Kuru et al. (2014); Çiçek et al. (2016, 2020). ― Turkish material: None.

Distribution and habitat. Distribution in Türkiye: Afrin Stream, Orontes River basin. ― Distribution in river basins: 19-Asi. ― General distribution: Asia Minor and Middle East: Orontes River basin ( Syria and Türkiye). ― Distribution in ecoregions: 437-Orontes. ― Habitat: This species lives in moderately fast-flowing streams and rivers with a mud or gravel substrate and low pollution levels. Freshwater.

Economic importance. No commercial importance.

Conservation. Conservation status in Türkiye: Unknown. ― IUCN: EN (IUCN, 2023). ― Threats: ABS, CON, HAB, EUT. ― High sensitivity to human activities. ― Keystone species. ― Decline status: Decreasing. ― High priority for conservation action.

Oxynoemacheilus hazarensis Freyhof & Özuluğ, 2017 [E] ― Hazar loach/Hazar çöpçü balığı

Taxonomy. Original description: Oxynoemacheilus hazarensis Freyhof & Özuluğ, 2017: 379 , figs. 1-6 [Northeastern shore of Lake Hazar, Elazığ Province, Türkiye, 38°28.398′N, 39°18.093′E; holotype: IUSHM 2017-1171 ]. ― Synonyms: None. ― Revisions: None. ― Illustration: Freyhof et al. (2017: 379, figs. 1-6) .

Status in Türkiye. Recorded from Türkiye in the original description by Freyhof and Özuluğ (2017). ― Listed in previous checklists from Türkiye by Çiçek et al. (2018a, 2020). ― Turkish material: IUSHM.

Distribution and habitat. Distribution in Türkiye: Lake Hazar drainage. ― Distribution in river basins: 21-Fırat-Dicle. ― General distribution: Asia Minor: Lake Hazar basin endemic, upper Tigris basin ( Türkiye). ― Distribution in ecoregions: 442-Upper Tigris and Euphrates. ― Habitat: This species lives in moderately fast-flowing streams and rivers with a mud or gravel substrate and a lake ecosystem. Freshwater.

Economic importance. No commercial importance.

Conservation. Conservation status in Türkiye: Unknown. ― IUCN: NE (2023). ― Threats: Unknown. ― Moderate sensitivity to human activities. ― Keystone species.― Decline status: Unknown. ― Moderate priority for conservation action.

Oxynoemacheilus insignis (Heckel, 1843) [N] ― Syrian loach/Çöpçü balığı

Taxonomy. Original description: Cobitis insignis Heckel, 1843a: 1087 (97) [Damascus, Syria; syntypes: NMW (4, not found), SMF 166 (2, poor condition)]. ― Synonyms: Nemacheilus insignis (Heckel, 1843) . ― Revisions: Prokofiev (2009: 880) with subspecies. ― Illustration: Heckel (1843b: pl. 12, fig. 3).

Status in Türkiye. Listed in previous checklists from Türkiye by Geldiay and Balık (2007) as Orthrias (Noemacheilus) insignis ; Fricke et al. (2007) as Nemacheilus insignis ; Kuru et al. (2014); Çiçek et al. (2015, 2020). ― Turkish material: None.

Distribution and habitat. Distribution in Türkiye: Sünnep Creek, Kilis. ― Distribution in river basins: 19- Asi. ― General distribution: Asia Minor and Middle East: Türkiye, Syria, Israel, and Jordan. ― Distribution in ecoregions: 437-Orontes. ― Habitat: This species lives in moderately fast-flowing streams and rivers with a mud or gravel substrate and low pollution levels. Freshwater.

Economic importance. No commercial importance.

Conservation. Conservation status in Türkiye: Unknown. ― IUCN: NT (IUCN, 2023). ― Threats: ABS, CON, HAB, CLI, EUT. ― Moderate sensitivity to human activities. ― Keystone species. ― Decline status: Decreasing. ― Moderate priority for conservation action. Oxynoemacheilus isauricus Yoğurtçuoğlu, Kaya, Özuluğ & Freyhof, 2021 [E] ― Loach/Çöpçü balığı

Taxonomy. Original description: Oxynoemacheilus isauricus Yoğurtçuoğlu, Kaya, Özuluğ & Freyhof, 2021: 372 , figs. 2-4, 6 [Stream Çeltek at Çeltek, south of Şarkikaraağaç, Isparta Province, Türkiye, 38.0124°N, 31.3152°E. holotype: IUSHM 2021-1425 ].― Synonyms: None.― Revisions: None. ― Illustration: Yoğurtçuoğlu et al. (2021: 372, figs. 2-4, 6) .

Status in Türkiye. Recorded from Türkiye in the original description by Yoğurtçuoğlu et al. (2021). ― Turkish material: IUSHM.

Distribution and habitat. Distribution in Türkiye: Lake Beyşehir, Ilgın, and Suğla basins. ― Distribution in river basins: 16- Konya. ― General distribution: Asia Minor: Lake Beyşehir and Suğla basins, Central Anatolia, Türkiye. ― Distribution in ecoregions: 431-Central Anatolia. ― Habitat: This species lives in moderately fast-flowing waters of small streams with gravel substrates. Freshwater.

Economic importance. No commercial importance.

Conservation. Conservation status in Türkiye: Unknown. ― IUCN: NE (2023). ― Threats: Unknown. ― High sensitivity to human activities.― Keystone species. ― Decline status: Unknown. ― High priority for conservation action.