montana, Cetopsis Vari [R. P.], Ferraris [C. J., Jr.] & de Pinna [M. C. C.] 2005:174, Fig. 26 [Neotropical Ichthyology v. 3 (no. 2); ref. 28270] 100 meters upriver frm Caterpiza (ca. 3°55'S, 77°42'W), Amazonas, Peru. Holotype: LACM 41989-1. Paratypes: ANSP 178173 (1); LACM 39887-3 (1), 39922-1 (1), 41893-1(1), 41895-1 (1), 41945-2 (1); mepn UNCAT. (1); MUSM 20298 (2); USNM 177224 (1), 372759 (1). Plus non-type specimens. Type catalog: Ferraris 2007:132 [ref. 29155]. •Valid as Cetopsis montana Vari, Ferraris & de Pinna 2005 -- (de Pinna et al. 2007:804 [ref. 29247], Ferraris 2007:132 [ref. 29155], Barriga Salazar 2014:110 [ref. 35745], Abrahão & de Pinna 2018:117 [ref. 35957], Meza-Vargas et al. 2021:24 [ref. 39298]). Current status: Valid as Cetopsis montana Vari, Ferraris & de Pinna 2005. Cetopsidae: Cetopsinae. Distribution: South America: Amazon River basin (northeastern Peru and southern Ecuador). Habitat: freshwater.