piau, Leporinus Fowler [H. W.] 1941:176, Fig. 87 [Proceedings of the Academy of Natural Sciences of Philadelphia v. 93; ref. 1437] Rio Salgade, Icó, Ceará, Brazil. Holotype: ANSP 69502. Paratypes: ANSP 69503-07 (5), 69509 (1); Géry (1) [ex ANSP 69508]. Type catalog: Böhlke 1984:19 [ref. 13621]. •Valid as Leporinus piau Fowler 1941 -- (Garavello & Britski in Reis et al. 2003:78 [ref. 27061], Ramos et al. 2014:3 [ref. 35321] with authorship as Lutken 1875, Petry et al. 2016:301 [ref. 34966], DoNascimiento et al. 2017:[4] [ref. 35679], Costa et al. 2017:44 [ref. 35684], Silva et al. 2020:4 [ref. 37809], Koerber et al. 2022:22 [ref. 39235], Limeira-Filho et al. 2024:5 [ref. 41573]). Current status: Valid as Leporinus piau Fowler 1941. Anostomidae. Distribution: South America: coastal rivers of northeastern (Bahia, Ceará and Maranhão, Brazil). Habitat: freshwater.