nicoi, Acanthobunocephalus Friel [J. P.] 1995:90, Fig. 1 [Ichthyological Exploration of Freshwaters v. 6 (no. 1); ref. 21676] Río Sipapo, 200 meters from Salto Remo, 4°34'N, 67°18'W, Venezuela. Holotype: MCNG 29000. Paratypes: ANSP 160698 (1), 168816 (3); MCNG 21843 (9, 2 c&s). Type catalog: Ferraris 2007:57 [ref. 29155]. •Valid as Acanthobunocephalus nicoi Friel 1995 -- (Burgess & Finley 1996:167 [ref. 22901], Costa & Le Bail 1999:1028 [ref. 24187], Friel in Reis et al. 2003:261 [ref. 27061], Ferraris 2007:57 [ref. 29155], Reis et al. 2016:13 [ref. 34496], Carvalho & Reis 2020:356 [ref. 37542]). Current status: Valid as Acanthobunocephalus nicoi Friel 1995. Aspredinidae: Pseudobunocephalinae. Distribution: Upper Orinoco River basin, including Sipapo, Ramoni, Casiquiare and Negro Rivers, Venezuela and Brazil. Habitat: freshwater.