irritans, Serrasalmo Peters [W. (C. H.)] 1877:472 [Monatsberichte der Königlichen Preussischen Akademie der Wissenschaften zu Berlin 1877; ref. 18538] San Fernando Apure, Venezuela. Holotype (unique): ZMB 10045. •Valid as Serrasalmus irritans Peters 1877 -- (Taphorn 1992:337 [ref. 23654], Machado-Allison 2002:80 [ref. 27640], Jégu in Reis et al. 2003:191 [ref. 27061], Machado-Allison et al. 2009:128 [ref. 30953], Machado-Allison et al. 2009:128 [ref. 30953], DoNascimiento et al. 2017:38 [ref. 35633], Urbano-Bonilla et al. 2018:84 [ref. 35773], Cortés Hernández et al. 2023:456 [ref. 40760], Ota et al. 2024:425 [ref. 40817]). Current status: Valid as Serrasalmus irritans Peters 1877. Serrasalmidae: Serrasalminae. Distribution: South America: Orinoco River basin (Venezuela and Colombia). Habitat: freshwater.