nicoi, Lasiancistrus Armbruster [J. W.] & Provenzano [F.] 2000:249, Fig. 4 [Ichthyological Exploration of Freshwaters v. 11 (no. 3); ref. 25069] Río Manipitare (Río Siapa drainage), from about 5-8 kilometers upstream from confluence with Río Siapa, Depto Río Negro, Estado Amazonas, Venezuela. Holotype: MCNG 37033. Paratypes: ANSP 177766 (1); AUM 28355 (1); MCNG 12149 (1), 12290 (1), 12441 (1), 37034-39 (2, 1, 1, 1, 1, 2); MBUCV V-27916 (1), V-29125 (1). Type catalog: Ferraris 2007:289 [ref. 29155]. •Valid as Pseudolithoxus nicoi (Armbruster & Provenzano 2000) -- (Isbrücker et al. 2001:21 [ref. 25649], Isbrücker 2001:29, 32 [ref. 25653], Isbrücker 2002:28 [ref. 27178], Fisch-Muller in Reis et al. 2003:394 [ref. 27061], Ferraris 2007:289 [ref. 29155], Lujan & Birindelli 2011:39 [ref. 31408], Collins et al. 2018:[1] [ref. 35943]). Current status: Valid as Pseudolithoxus nicoi (Armbruster & Provenzano 2000). Loricariidae: Hypostominae. Distribution: Upper Negro River basin, including Canal Casiquiare basin, Venezuela and Brazil. Habitat: freshwater.