Species that contain: Serrasalmo and rhombeus [ 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.

immaculatus, Serrasalmo Cope [E. D.] 1878:692 [Proceedings of the American Philosophical Society v. 17 (no. 101); ref. 945] Peruvian Amazon. Lectotype: ANSP 21503. Paralectotypes: ANSP 21504-05 (2). Type catalog: Böhlke 1984:48 [ref. 13621] as holotype and paratypes. Original genus misspelled Serrasalimo in main heading. Lectotype selected by Fowler 1907:471, Fig. 54 [ref. 1374]. •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.

paraense, Serrasalmo (Serrasalmo) Steindachner [F.] 1908:362 [Anzeiger der Kaiserlichen Akademie der Wissenschaften, Wien, Mathematisch-Naturwissenschaftliche Klasse v. 45 (no. 18) (for 9 July 1908); ref. 18800] Rio Pará, Brazil. Syntypes: NMW 10587 (1), 57067 (1). •Questionably a synonym of Serrasalmus rhombeus (Linnaeus 1766) -- (Jégu in Reis et al. 2003:192 [ref. 27061], Ota et al. 2024:427 [ref. 40817]). Current status: Uncertain as Serrasalmus rhombeus (Linnaeus 1766). Serrasalmidae: Serrasalminae. Habitat: freshwater.