piraya, Serrasalmus Cuvier [G.] 1819:368, Pl. 28 (fig. 4) [Mémoires du Muséum National d'Histoire Naturelle, Paris (N. S.) (Série A) Zoologie v. 5; ref. 1017] Brazil. Holotype (unique): MNHN A-8630 [stuffed]. Non-type: MNHN A-8631 (1). Type catalog: Bertin 1948:25 [ref. 19577]. •Valid as Pygocentrus piraya (Cuvier 1819) -- (Fink 1993:671 [ref. 20937], Britski 2001:21 [ref. 26046], Jégu in Reis et al. 2003:189 [ref. 27061], Belei et al. 2012:767 [ref. 39473], Silva et al. 2020:8 [ref. 37809], Ota et al. 2024:421 [ref. 40817]). Current status: Valid as Pygocentrus piraya (Cuvier 1819). Serrasalmidae: Serrasalminae. Distribution: South America: São Francisco River basin (Brazil); introduced in Rio Doce (Brazil). Habitat: freshwater.