caxarari, Otocinclus Schaefer [S. A.] 1997:71, Figs. 44, 49b [Proceedings of the Academy of Natural Sciences of Philadelphia v. 148; ref. 23213] Between Guajara-Mirim and Mato Grosso, about 10°48'S, 65°23'W, Rio Solimões/Madeira/Guaporé basin, Brazil/Bolivia border. Holotype: MZUSP 51102. Paratypes: MCP 19286 (9), MZUSP 51602 (9), USNM 316402 (21, 2 c&s), plus non-type material. Type catalog: Ferraris 2007:274 [ref. 29155]. •Valid as Otocinclus caxarari Schaefer 1997 -- (Isbrücker 2001:30 [ref. 25653], Britto & Moreira 2002:1067 [ref. 26512], Isbrücker 2002:23 [ref. 27178], Schaefer in Reis et al. 2003:324 [ref. 27061], Ferraris 2007:274 [ref. 29155], Sarmiento et al. 2014:191 [ref. 35004], Delapieve et al. 2018:23 [ref. 35713]). Current status: Valid as Otocinclus caxarari Schaefer 1997. Loricariidae: Hypoptopomatinae. Distribution: Upper Madeira River basin: Bolivia and Brazil. Habitat: freshwater.