C. H. Eigenmann, 1903
G. Cuvier, 1817
Piaractus is a genus of large serrasalmid from South America. The two recognized species of Piaractus are very similar in appearance and were formerly included in the genus Colossoma, which currently only contains another similar species, the tambaqui (Colossoma macropomum).
There are currently two recognized species in this genus:
- Piaractus brachypomus (G. Cuvier, 1818) (Pirapatinga)
- Piaractus mesopotamicus (Holmberg, 1887) (small-scaled pacu)
- Froese, Rainer, and Daniel Pauly, eds. (2013). Species of Piaractus in FishBase. April 2013 version.
- OPEFE (27 December 2011). genus Piaractus. Retrieved 2 March 2017.
- Nico, L.; P. Fuller; and M. Neilson (22 October 2013). Piaractus brachypomus. USGS Nonindigenous Aquatic Species Database, Gainesville, FL. Retrieved 2 March 2017.
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