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Piaractus

From Wikipedia, the free encyclopedia

Piaractus
Piaractus sp.
Scientific classification Edit this classification
Kingdom: Animalia
Phylum: Chordata
Class: Actinopterygii
Order: Characiformes
Family: Serrasalmidae
Subfamily: Colossomatinae
Genus: Piaractus
C. H. Eigenmann, 1903
Type species
Myletes brachypomus
G. Cuvier, 1817

Piaractus is a genus of large serrasalmid from South America,[1] and one of several genera colloquially referred to as "pacu". Species in this genus are commonly called pirapatinga.

The two traditionally 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).[2][3] A third Piaractus was described in 2019 as a new species, which was formerly considered a subpopulation of P. brachypomus.[4]

Species

[edit]

There are currently three recognized species in this genus:[1][4][5]

Species Common name Distribution
Piaractus brachypomus

(G. Cuvier, 1818)

red-bellied pacu Amazon basin
Piaractus mesopotamicus

(Holmberg, 1887)

small-scaled pacu,

Paraná River pacu

Paraguay-Paraná basin
Piaractus orinoquensis

Escobar et al., 2019

Venezuelan pacu Orinoco basin

References

[edit]
  1. 1 2 Froese, Rainer; Pauly, Daniel (eds.). "Species in genus Piaractus". FishBase. April 2013 version.
  2. "genus Piaractus". OPEFE. 27 December 2011. Retrieved 2 March 2017.
  3. Nico, L.; P. Fuller; M. Neilson (22 October 2013). "Piaractus brachypomus". USGS Nonindigenous Aquatic Species Database. Gainesville, FL. Retrieved 2 March 2017.
  4. 1 2 Escobar, M.D.; R.P. Ota; A. Machado-Allison; I.P. Farias; T. Hrbek (August 2019). "A new species of Piaractus (Characiformes: Serrasalmidae) from the Orinoco Basin with a redescription of Piaractus brachypomus". Journal of Fish Biology. 95 (2): 411–427. Bibcode:2019JFBio..95..411E. doi:10.1111/jfb.13990. PMID 31017302.
  5. Fricke, Ron; Eschmeyer, William N. & van der Laan, Richard (eds.). "Species in the genus Piaractus". Catalog of Fishes. California Academy of Sciences. Retrieved 5 July 2019.