claro, Ancistrus Knaack [J.] 1999:71, Figs. 1-3 + unnumbered [Tropical Fish Hobbyist v. 47 (no. 10); ref. 23828] Rio Claro, above the bridge, in the direction of Chappada dos Guimaraes, Mato Grosso State, Brazil. Holotype: MCP 28667 [ex ZMB 32918]. Paratypes: MCP 28668 [ex ZMB 32919] (9). Type catalog: Ferraris 2007:220 [ref. 29155]. •Valid as Ancistrus claro Knaack 1999 -- (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], Bifi et al. 2009:41 [ref. 30541], de Oliveira et al. 2015:81 [ref. 33869], Bifi et al. 2019:8 [ref. 36821]). Current status: Valid as Ancistrus claro Knaack 1999. Loricariidae: Hypostominae. Distribution: Cuiabá River basin in upper Paraguay River drainage, Brazil. Habitat: freshwater.