esperanzae, Corydoras Castro [D. M.] 1987:34, Figs. 2- 3b; Pl. 4 (fig. 2) [Boletin Ecotrópica. No. 16; ref. 16225] Río Meta, Caño Orocue at Orocue, Colombia, 4°49'N, 71°20'W. Holotype: UBJTL MM275. Paratypes: UBJTL MM275.1 (4). Type catalog: Ferraris 2007:117 [ref. 29155]. •Synonym of Corydoras concolor Weitzman 1961 -- (Isbrücker 2001:223 [ref. 26805]). •Valid as Corydoras esperanzae Castro 1987 -- (Burgess & Finley 1996:168 [ref. 22901], Reis in Reis et al. 2003:297 [ref. 27061], Ferraris 2007:117 [ref. 29155], DoNascimiento et al. 2017:73 [ref. 35633]). Current status: Valid as Corydoras esperanzae Castro 1987. Callichthyidae: Corydoradinae. Distribution: Meta River basin, Colombia. Habitat: freshwater.