Gnathocharax
| Gnathocharax | |
|---|---|
| Scientific classification | |
| Kingdom: | Animalia |
| Phylum: | Chordata |
| Class: | Actinopterygii |
| Order: | Characiformes |
| Family: | Acestrorhynchidae |
| Subfamily: | Heterocharacinae |
| Genus: | Gnathocharax Fowler, 1913 |
| Species: | G. steindachneri
|
| Binomial name | |
| Gnathocharax steindachneri Fowler, 1913
| |
Gnathocharax, is a monospecific genus of freshwater ray-finned fish belonging to the family Acestrorhynchidae, which includes the freshwater barracudas and the biting tetras. The only species in the genus is Gnathocharax steindachneri, also known as the arowana tetra. This fish is found in tropical freshwater habitats in the Orinoco and Amazon basins of South America.