maximus, Tetragonopterus Steindachner [F.] 1876:593 [43], Pl. 7 [Sitzungsberichte der Kaiserlichen Akademie der Wissenschaften. Mathematisch-Naturwissenschaftliche Classe v. 72 (1. Abth.); ref. 18772] Tullumayo and Monterico, Peru. Syntypes: (several) NMW 57662-63 (1, 2). On p. 43 of separate. •Valid as Astyanax maximus (Steindachner 1876) -- (Ovchynnyk 1967:27 [ref. 37559], Ortega & Vari 1986:7 [ref. 9708], Zarske & Géry 1999:205 [ref. 24913], Buckup in Reis et al. 2003:111 [ref. 27061], Barriga Salazar 2014:106 [ref. 35745] as cf. maximus, DoNascimiento et al. 2017:61 [ref. 35633], Meza-Vargas et al. 2021:17 [ref. 39298]). Current status: Valid as Astyanax maximus (Steindachner 1876). Acestrorhamphidae: Acestrorhamphinae. Distribution: South America: upper Amazon and Orinoco River basins (Peru, Ecuador?, Colombia and Venezuela). Habitat: freshwater.