Species that contain: Serrasalmo and humeralis [ 3 ] records

gracilior, Serrasalmo humeralis var. Eigenmann [C. H.] 1915:257, Fig. 9 [Annals of the Carnegie Museum v. 9 (nos 3-4); ref. 1232] Rio Guaporé at Maciél, Brazil. Syntypes: FMNH 56977 [ex CM 5791] (now 3). Type catalog: Henn 1928:69 [ref. 12305] as 2 specimens, Ibarra & Stewart 1987:79 [ref. 12367]. •Synonym of Serrasalmus rhombeus (Linnaeus 1766) -- (Jégu in Reis et al. 2003:192 [ref. 27061], Ota et al. 2024:427 [ref. 40817]). Current status: Synonym of Serrasalmus rhombeus (Linnaeus 1766). Serrasalmidae: Serrasalminae. Habitat: freshwater.

humeralis, Serrasalmus Valenciennes [A.] in Cuvier & Valenciennes 1850:279 [Histoire naturelle des poissons v. 22; ref. 1014] Amazonas, Brazil [evidently in error for Araguaia River, Tocantins basin]. Holotype (unique): MNHN A-9735. Type catalog: Bertin 1948:25 [ref. 19577]. See Jégu in Reis et al. 2003:191 [ref. 27061] for type locality information. •Valid as Serrasalmus humeralis Valenciennes 1850 -- (Ovchynnyk 1967:30 [ref. 37559], Géry 1972:226 [ref. 1594], Ortega & Vari 1986:9 [ref. 9708], Géry et al. 1991:39 [ref. 21021], Planquette et al. 1996:376 [ref. 22818], Jégu in Reis et al. 2003:191 [ref. 27061], Azpelicueta & Koerber 2015:42 [ref. 33654] as Serrasalmo humeralis, Melo et al. 2016:134 [ref. 34701], DoNascimiento et al. 2017:38 [ref. 35633], Meza-Vargas et al. 2021:17 [ref. 39298], Ota et al. 2024:425 [ref. 40817], Gallo-Cardozo et al. 2024:21 [ref. 40973]). Current status: Valid as Serrasalmus humeralis Valenciennes 1850. Serrasalmidae: Serrasalminae. Distribution: South America: Amazon River basin (Brazil, Colombia and Peru). Habitat: freshwater.

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.