Elachocharax

Elachocharax
Scientific classification
Kingdom:	Animalia
Phylum:	Chordata
Class:	Actinopterygii
Order:	Characiformes
Family:	Crenuchidae
Genus:	Elachocharax G. S. Myers, 1927

Elachocharax is a genus of small fish in the Crenuchidae family (South American darters). They are native to the Amazon and Orinoco basins in South America.

There are currently four recognized species in this genus:

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Wikipedia