cryptophthalmus, Ancistrus Reis [R. E.] 1987:82, Figs. 1, 3-4 [Revue française d'Aquariologie Herpétologie v. 14 (no. 3); ref. 6263] Caverna Passa Três, about 300 meters into the cave, 13°20' to 13°52'S, 46°16' to 46°30'W, Rio São Vicente system, São Domingos, Goiás State, Brazil. Holotype: MZUSP 28809. Paratypes: IRSNB 730 (1), MAPA 2566-2567, MCP 10523, MFA 555, MFA 874-878, MZUSP 24486, MZUSP 28806, MZUSP 28807-08, ZMA 119409 (2). Type catalog: Ferraris 2007:220 [ref. 29155]. •Valid as Ancistrus cryptophthalmus Reis 1987 -- (Burgess 1989:437 [ref. 12860], Pérez & Viloria 1994:106 [ref. 22094], Sabino & Trajano 1997:73 [ref. 23465], Isbrücker 2001:25 [ref. 25653], Isbrücker 2002:12 [ref. 27178], Fisch-Muller in Reis et al. 2003:375 [ref. 27061], Fisch-Muller et al. 2005:570 [ref. 28242], Proudlove 2006:151 [ref. 28992], Ferraris 2007:220 [ref. 29155], Bifi et al. 2019:8 [ref. 36821]). Current status: Valid as Ancistrus cryptophthalmus Reis 1987. Loricariidae: Hypostominae. Distribution: Upper Paraná River, Tocantins River drainage, Brazil. Habitat: freshwater.