argus, Plecostomus Fowler [H. W.] 1943:249, Figs. 28-31 [Proceedings of the Academy of Natural Sciences of Philadelphia v. 95; ref. 1443] Villavicencio, Río Meta basin, Colombia. Holotype (unique): ANSP 70510. Type catalog: Böhlke 1984:121 [ref. 13621], Ferraris 2007:251 [ref. 29155]. •Valid as Hypostomus argus (Fowler 1943) -- (Isbrücker 1980:19 [ref. 2303], Burgess 1989:430 [ref. 12860], Isbrücker 2001:28, 31 [ref. 25653], Isbrücker 2002:18 [ref. 27178], Weber in Reis et al. 2003:356 [ref. 27061], Armbruster 2004:79 [ref. 27644], Ferraris 2007:251 [ref. 29155], DoNascimiento et al. 2017:82 [ref. 35633], Urbano-Bonilla et al. 2018:76 [ref. 35773] see remarks). Current status: Valid as Hypostomus argus (Fowler 1943). Loricariidae: Hypostominae. Distribution: Upper Meta River basin, Colombia. Habitat: freshwater.