imitator, Corydoras Nijssen [H.] & Isbrücker [I. J. H.] 1983:79, Figs. 8, 10f [Revue française d'Aquariologie Herpétologie v. 10 (no. 3); ref. 8294] Upper Rio Negro, eastern Amazonas, Brazil (probably forest brooks crossing "new army road", northern São Gabriel da Cachoeira). Holotype: MZUSP 27894 [ex USNM 235310 in part]. Paratypes: ZMA 119103 (1). Type catalog: Ferraris 2007:118 [ref. 29155]. •Status uncertain, may be a synonym of Corydoras adolfoi Burgess 1982 -- (Burgess 1989:366 [ref. 12860]). •Valid as Corydoras imitator Nijssen & Isbrücker 1983 -- (Isbrücker 2001:227 [ref. 26805], Reis in Reis et al. 2003:299 [ref. 27061], Britto & Lima 2003:89 [ref. 27314], Ferraris 2007:118 [ref. 29155]). Current status: Valid as Corydoras imitator Nijssen & Isbrücker 1983. Callichthyidae: Corydoradinae. Distribution: Upper Negro River basin, Brazil. Habitat: freshwater.