guacari, Hypostomus Lacepède [B. G. E.] 1803:144, 145, Pl. 4 (fig. 2) [Histoire naturelle des poissons (Lacepède) v. 5; ref. 4930] Les rivières de l'Amérique méridionale. Lectotype: NRM 32 (57.8 mm SL). Type catalog: Ferraris 2007:258 [ref. 29155]. See account of Acipenser plecostomus. Regarded as an unneeded substitute name for Hypostomus plecostomus (Linnaeus 1758). Lectotype selected by Weber et al. 2012:210 [ref. 31999]. •Synonym of Hypostomus plecostomus (Linnaeus 1758) -- (Isbrücker 1980:30 [ref. 2303], Burgess 1989:430 [ref. 12860], Galvis et al. 1997:86 [ref. 23651], Isbrücker 2001:28 [ref. 25653], Isbrücker 2002:18 [ref. 27178], Weber in Reis et al. 2003:361 [ref. 27061], Armbruster 2004:79 [ref. 27644] top of page, Ferraris 2007:258 [ref. 29155], Weber et al. 2012:209 [ref. 31999]). Current status: Synonym of Hypostomus plecostomus (Linnaeus 1758). Loricariidae: Hypostominae. Habitat: freshwater.