Heterocharax

Heterocharax
Scientific classification
Kingdom: Animalia
Phylum: Chordata
Class: Actinopterygii
Order: Characiformes
Family: Acestrorhynchidae
Subfamily: Heterocharacinae
Genus: Heterocharax
C. H. Eigenmann, 1912
Type species
Heterocharax macrolepis
C. H. Eigenmann, 1912

Heterocharax is a genus of freshwater ray-finned fishes belonging to the family Acestrorhynchidae, the biting tetras and freshwater barracudas. The species in this genus are found in South America.