montanus, Australoheros Ottoni [F. P.] 2012:86, Fig. 3 [Vertebrate Zoology v. 62 (no. 1); ref. 31900] Carmo, córrego Tanque, tributary of the rio Paríba do Sul, Passa Três, 21°49'S, 42°32'W, Rio de Janeiro state, Brazil. Holotype: MNRJ 32555. Paratypes: many at MCP, MNRJ, UFRJ •Valid as Australoheros montanus Ottoni 2012 -- (Říčan et al. 2016:28 [ref. 34357]). •Synonym of Australoheros oblongus (Castelnau 1855) -- (Lucena et al. 2022:55 [ref. 39823]). Current status: Synonym of Australoheros oblongus (Castelnau 1855). Cichlidae: Cichlinae. Habitat: freshwater.