Genidens barbus (Lacepède, 1803)

Soricetti, Mariano, Morawicki, Santiago, Guardiola Rivas, Fredy José, Guidi, Catalina, Quezada, Facundo, Almirón, Adriana Edith & Solimano, Patricio José, 2020, Ichthyofauna of the lower course of the Negro river drainage, Patagonia Argentina, Check List 16 (4), pp. 895-905: 903

publication ID

http://doi.org/ 10.15560/16.4.895

persistent identifier

http://treatment.plazi.org/id/0628943C-FF90-3F64-FF13-92C6FE9B8093

treatment provided by

Marcus

scientific name

Genidens barbus (Lacepède, 1803)
status

 

Genidens barbus (Lacepède, 1803)  

Figure 3L

Material examined. ARGENTINA • 1 ♀, 320 mm; Site 6; 40°48ʹ10ʺS, 062°59ʹ36ʺW; 25 Feb. 2016; B. Rodriguez leg.; MPCN-Ict 13 GoogleMaps   . • 1 ♀, 343 mm; Site 6; 40°48ʹ10ʺS, 062°59ʹ36ʺW; 24 Nov. 2016; B. Rodriguez leg.; MPCN- Ict 82 GoogleMaps   . • 1 ♂, 351 mm; Site 6; 40°48ʹ10ʺS; 062°59ʹ36ʺW, 13 Dec. 2016; M. Soricetti leg.; MPCN-Ict 83 GoogleMaps   . • 1 ♀, 364 mm; Site 6; 40°48ʹ10ʺS; 062°59ʹ36ʺW, 30 Nov. 2017; M. Soricetti leg.; MPCN-Ict 84 GoogleMaps   . • 1 ♀, 372 mm; Site 6; 40°48ʹ10ʺS, 062°59ʹ36ʺW; 25 Feb. 2016; B. Rodriguez leg.; MPCN-Ict 85 GoogleMaps   .

Identification. Body robust and elongated. The anterior frontal fontanelle reaches close to the base of the postoccipital process like a narrow groove. Upper jaw projected and lips thick. Maxillary barbels reaches the end of the operculum; the shortest mental and postmental barbels are inserted parallel to the edge of the jaw. Adipose fin, short. Pectoral-fin spine similar in length to dorsal-fin spine, with toothed internal edge. Caudal fin forked, with upper lobe narrower and longer than lower lobe. Anal fin emarginated. Uniform gray–black color, with purple reflections.