Oligosarcus is a genus of characins from freshwater habitats in northern Argentina, Paraguay, Uruguay, eastern Bolivia, and southern and central Brazil (South, Southeast and Central-West regions). They reach up to 31 cm (12 in) in length and are predators that mainly feed on smaller fish.[1]

Oligosarcus
Oligosarcus jenynsii
Scientific classification Edit this classification
Domain: Eukaryota
Kingdom: Animalia
Phylum: Chordata
Class: Actinopterygii
Order: Characiformes
Family: Characidae
Subfamily: incertae sedis
Genus: Oligosarcus
Günther, 1864

Species

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There are currently 22 recognized species in this genus:[1]

References

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  1. ^ a b Froese, Rainer; Pauly, Daniel (eds.). "Species in genus Oligosarcus". FishBase. October 2011 version.
  2. ^ Almirón, A., Casciotta, J., Piálek, L., Doubnerová, K. & Říčan, O. (2015): Oligosarcus amome (Ostariophysi: Characidae), a new species from the río Uruguay basin, Misiones, Argentina. Zootaxa, 3915 (4): 581–590.
  3. ^ a b Menezes, N.A. & Ribeiro, A.C. (2015): A new species of the lowland Oligosarcus Günther species group (Teleostei: Ostariophysi: Characidae). Neotropical Ichthyology, 13 (3): 541-546.