iridopsis, Serrasalmo Cope [E. D.] 1872:268, Pl. 9 (fig. 2) [Proceedings of the Academy of Natural Sciences of Philadelphia v. 23; ref. 921] Río Ambyiacu [Ampyiacu], Peru. Holotype (unique): ANSP 7913. Type catalog: Böhlke 1984:49 [ref. 13621]. •Questionably a synonym of Serrasalmus humeralis Valenciennes 1850 -- (Jégu in Reis et al. 2003:191 [ref. 27061], Ota et al. 2024:425 [ref. 40817]). Current status: Uncertain as Serrasalmus humeralis Valenciennes 1850. Serrasalmidae: Serrasalminae. Habitat: freshwater.