rothschildi, Xenocara Regan [C. T.] 1905:242 [Novitates Zoologicae v. 12; ref. 15385] San Esteban near Porto Cabello, Venezuela. Syntypes: BMNH 1904.11.9.27-31 (5). Type catalog: Ferraris 2007:221 [ref. 29155]. •Valid as Ancistrus rothschildi (Regan 1905) -- (Isbrücker 1980:72 [ref. 2303], Burgess 1989:437 [ref. 12860], Isbrücker 2001:25, 32 [ref. 25653], Isbrücker 2002:12 [ref. 27178]). •Synonym of Ancistrus gymnorhynchus Kner 1854 -- (Fisch-Muller in Reis et al. 2003:376 [ref. 27061], Ferraris 2007:221 [ref. 29155], Taphorn et al. 2010:21 [ref. 30697]). Current status: Synonym of Ancistrus gymnorhynchus Kner 1854. Loricariidae: Hypostominae. Habitat: freshwater.