chagresi, Ancistrus Eigenmann [C. H.] & Eigenmann [R. S.] 1889:47 [Proceedings of the California Academy of Sciences (Series 2) v. 2; ref. 1253] Río Chagres, Panama Canal Zone, Panama. Syntypes: MCZ 8026 (2). Type catalog: Ferraris 2007:220 [ref. 29155]. •Valid as Ancistrus chagresi Eigenmann & Eigenmann 1889 -- (Isbrücker 1980:67 [ref. 2303], Burgess 1989:436 [ref. 12860], Isbrücker 2001:25 [ref. 25653], Isbrücker 2002:12 [ref. 27178], Fisch-Muller in Reis et al. 2003:374 [ref. 27061], Ferraris 2007:220 [ref. 29155], Taphorn et al. 2013:354 [ref. 32678], de Oliveira et al. 2015:73 [ref. 33869]). Current status: Valid as Ancistrus chagresi Eigenmann & Eigenmann 1889. Loricariidae: Hypostominae. Distribution: Panama Canal Zone, Chagres, Gatun and Chorrera River basins, Panama. Habitat: freshwater.