ferox, Brycon Steindachner [F.] 1877:583 [25], Pl. 4 (figs. 2, 2a) [Sitzungsberichte der Kaiserlichen Akademie der Wissenschaften. Mathematisch-Naturwissenschaftliche Classe v. 74 (1. Abth.); ref. 4224] Rio Mucuri, southeastern Brazil. Lectotype: NMW 62930. Paralectotypes: NMW 62937 (2). On p. 25 of separate. Figure numbers incorrectly given as 1 and 1a, see Steindachner 1879:50 [ref. 4228]. Lectotype selected by Lima 2017:62 [ref. 35071]. •Questionably the same as Brycon acuminatus (Eigenmann & Norris 1900) -- (Howes 1982:4, 28 [ref. 14201]). •Valid as Brycon ferox Steindachner 1877 -- (Lima & Costa 2000:157 [ref. 24439], Lima in Reis et al. 2003:176 [ref. 27061], Lima 2017:58 [ref. 35071], Silva et al. 2020:5 [ref. 37809], Rodrigues et al. 2021:147 [ref. 38829], Vieira-Guimarães et al. 2024:36 [ref. 41258]). Current status: Valid as Brycon ferox Steindachner 1877. Bryconidae: Bryconinae. Distribution: South America: coastal drainages from the do Frades River (Bahia) to Barra Seca (Espiritu Santo). eastern Brazil. Habitat: freshwater.