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Scientific classification
Kingdom: Animalia
Phylum: Chordata
Class: Actinopterygii
Order: Characiformes
Family: Serrasalmidae
Genus: Utiaritichthys
Type species
Utiaritichthys sennaebragai
A. Miranda Ribeiro, 1937

Utiaritichthys is a genus of serrasalmid fish found in the Amazon and Orinoco basins in tropical South America.[1] The adults are typically found in rapidly flowing water where they feed on aquatic plants in the Podostemaceae family and filamentous algae.[2] They reach up to 32.2 cm (1.06 ft) in standard length.[1]

The monophyly and taxonomic position of the genus is not fully resolved. The only clear difference from Myloplus is the comparatively longer body of Utiaritichthys.[2]


There are currently 3 recognized species in this genus:[1]


  1. ^ a b c Froese, Rainer, and Daniel Pauly, eds. (2017). Species of Utiaritichthys in FishBase. March 2017 version.
  2. ^ a b c Pereira, T.N.A. & Castro, R.M.C. (2014): A new species of Utiaritichthys Miranda Ribeiro (Characiformes: Serrasalmidae) from the Serra dos Parecis, Tapajós drainage. Neotropical Ichthyology, 12 (2): 397-402.