''Utiaritichthys'' is a genus of

serrasalmid The Serrasalmidae (serrasalmids) are a family of characiform fishes, recently elevated to family status. It includes more than 90 species. The name means "serrated salmon family", which refers to the serrated keel running along the belly of these ...

fish found in the

Amazon Amazon most often refers to: * Amazons, a tribe of female warriors in Greek mythology * Amazon rainforest, a rainforest covering most of the Amazon basin * Amazon River, in South America * Amazon (company), an American multinational technology c ...

and

Orinoco The Orinoco () is one of the longest rivers in South America at . Its drainage basin, sometimes known as the Orinoquia, covers , with 76.3 percent of it in Venezuela and the remainder in Colombia. It is the fourth largest river in the wor ...

basins in tropical

South America South America is a continent entirely in the Western Hemisphere and mostly in the Southern Hemisphere, with a relatively small portion in the Northern Hemisphere at the northern tip of the continent. It can also be described as the southe ...

. The adults are typically found in rapidly flowing water where they feed on aquatic plants in the family

Podostemaceae Podostemaceae (riverweed family), a family in the order Malpighiales, comprise about 50 genera and species of more or less thalloid aquatic herbs. Distribution and habitat They are found mostly in tropical and subtropical areas worldwide. Ma ...

and filamentous algae.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''. They reach up to in

standard length Fish measurement is the measuring of individual fish and various parts of their anatomies. These data are used in many areas of ichthyology, including taxonomy and fisheries biology. Overall length * Standard length (SL) is the length of a fish m ...

. The

monophyly In cladistics for a group of organisms, monophyly is the condition of being a clade—that is, a group of taxa composed only of a common ancestor (or more precisely an ancestral population) and all of its lineal descendants. Monophyletic grou ...

and

taxonomic Taxonomy is the practice and science of categorization or classification. A taxonomy (or taxonomical classification) is a scheme of classification, especially a hierarchical classification, in which things are organized into groups or types. ...

position of the genus is not fully resolved. The only clear difference from ''

Myloplus ''Myloplus'' is a genus of freshwater fish in the family Serrasalmidae found in tropical and subtropical South America, where they inhabit rivers and streams (both slow and fast-flowing). They are primarily herbivores, but also take some animal ...

'' is the comparatively longer body of ''Utiaritichthys''.

Species

There are currently 3 recognized species in this genus: * ''

Utiaritichthys esguiceroi ''Utiaritichthys'' is a genus of serrasalmid fish found in the Amazon and Orinoco basins in tropical South America. The adults are typically found in rapidly flowing water where they feed on aquatic plants in the family Podostemaceae and filamen ...

Pereira Pereira (Portuguese and Galician for "pear tree") may refer to: People * Pereira (surname) Places *Brazil **Pereira (Bahia) (est. 1534) in the present-day Barra neighborhood of Salvador in Bahia **Pereira Barreto, municipality in São Paulo **Pe ...

& R. M. C. Castro, 2014 * '' Utiaritichthys longidorsalis'' Jégu, Tito de Morais & dos Santos, 1992 * ''

Utiaritichthys sennaebragai ''Utiaritichthys'' is a genus of serrasalmid fish found in the Amazon and Orinoco basins in tropical South America. The adults are typically found in rapidly flowing water where they feed on aquatic plants in the family Podostemaceae and filamen ...

'' A. Miranda-Ribeiro, 1937

References

Serrasalmidae Freshwater fish of Brazil Fish of French Guiana Fish of the Amazon basin {{Characiformes-stub