Astroblepus grixalvii Humboldt, 1805

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 : 1190

Astroblepus grixalvii Humboldt, 1805

Figure 4B

Material examined. COLOMBIA • 11, 25.0– 102.7 mm SL; Quebrada Cocare ; 04°28′37.4″N, 075°08′25.4″W; 1057 m a.s.l.; 13 Dec. 2012; Juan G. Albornoz-Garzón, Cristhian C. Conde-Saldaña leg.; CZUT-IC 10500 . • 6, 51.7–139.8 mm SL; Quebrada Cocare ; 04°28′37.4″N, 075°08′25.4″W; 1057 m a.s.l.; 5 Apr. 2013; Juan G. Albornoz-Garzón, Cristhian C. Conde-Saldaña leg.; CZUT-IC 10665 .

Identification. Relatively large size (largest specimen 140 mm SL). Premaxillary teeth unicuspid. Adipose fin long and deep with a short spine embedded into the posterior region of fin, posterior fin margin continuous with first caudal-fin ray. First pectoral and dorsal-fin rays ex- tended as filaments. Caudal fin truncated. Upper and lower unbranched caudal-fin rays extended as filaments. Body brownish with greenish tone, dark scattered spots and blotches on head and body ( Briñez-Vásquez 2011).