Apteronotus eschmeyeri de Santana, 2004

Albornoz-Garzón, Juan G., Conde-Saldaña, Cristhian C., López-Delgado, Edwin O., García-Melo, Jorge E. & Villa-Navarro, Francisco A., 2020, Fishes from the Río Alvarado drainage, Upper Río Magdalena Basin, Colombia, Check List 16 (5), pp. 1181-1198 : 1192

Apteronotus eschmeyeri de Santana , Maldonado- Ocampo, Severi & Mendes, 2004

Figure 4F

Material examined. COLOMBIA • 1, 131.8 mm SL; Río Alvarado-Caldas Viejo ; 04°36′41.2″N, 074°55′46.2″W; 351 m a.s.l.; 19 Sep. 2012; Cristhian C. Conde-Saldaña, Juan G. Albornoz-Garzón leg.; CZUT-IC 10090 . • 1, 86.2 mm SL; Río Alvarado-Caldas Viejo ; 04°36′41.2″N, 074° 55′46.2″W; 351 m a.s.l.; 28 Jun. 2013; Cristhian C. Conde-Saldaña, Juan G. Albornoz-Garzón leg.; CZUT- IC 10692 .

Identification. Mouth rictus extends to beyond the posterior margin of eyes. Body blotchy. A clear band from chin to the beginning of dorsal mid-sagittal electroreceptor organ. Two clear bands surrounding the caudal peduncle in specimens (up to 165 mm TL); bands become obscured by pigment blotching in specimens larger than 165 mm ( de Santana et al. 2004).