Anostomidae

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iAnostomidae
Leporinus obtusidens, a species of the Paraná River basin.
Leporinus obtusidens, a species of the Paraná River basin.
Scientific classification
Kingdom: Animalia
Phylum: Chordata
Class: Actinopterygii
Order: Characiformes
Family: Anostomidae
Genera

Subfamily Anostominae
 Abramites - Headstander and highbacked headstander
 Anostomoides
 Anostomus
 Gnathodolus
 Laemolyta
 Leporellus
 Leporinus
 Pseudanos
 Rhytiodus
 Sartor
 Schizodon
 Synaptolaemus
Subfamily Chilodontinae
 Caenotropus (also Tylobranchus)
 Chilodus

The Anostomidae are a family of fish that belong to order Characiformes (which are ray-finned fish). They are primarily found in South America. They usually have elongated bodies and small, apical to upturned mouths. Headstanders may orient themselves from 45 up to 90 degrees at times.