''Elachocharax'' is a

genus Genus ( plural genera ) is a taxonomic rank used in the biological classification of living and fossil organisms as well as viruses. In the hierarchy of biological classification, genus comes above species and below family. In binomial n ...

of small fish in the family

Crenuchidae The Crenuchidae, South American darters, are a family of freshwater fish of the order Characiformes. The 12 genera include about 74 species, though several species are undescribed. These fish are relatively small (usually under in standard len ...

(South American darters). They are native to 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 technolog ...

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 wo ...

basins in South America.

Species

There are currently four recognized

species In biology, a species is the basic unit of Taxonomy (biology), classification and a taxonomic rank of an organism, as well as a unit of biodiversity. A species is often defined as the largest group of organisms in which any two individuals of ...

in this genus: * ''

Elachocharax geryi ''Elachocharax'' is a genus of small fish in the family Crenuchidae (South American darters). They are native to the Amazon and Orinoco basins in South America. Species There are currently four recognized species in this genus: * '' Elachochar ...

'' S. H. Weitzman &

Kanazawa is the capital city of Ishikawa Prefecture, Japan. , the city had an estimated population of 466,029 in 203,271 households, and a population density of 990 persons per km2. The total area of the city was . Overview Cityscape File:もてな ...

, 1978 * ''

Elachocharax junki ''Elachocharax'' is a genus of small fish in the family Crenuchidae (South American darters). They are native to the Amazon and Orinoco basins in South America. Species There are currently four recognized species in this genus: * ''Elachochara ...

'' (

Géry Géry () is a commune in the Meuse department in Grand Est in north-eastern France. See also *Communes of the Meuse department The following is a list of the 499 communes of the Meuse department of France. The communes cooperate in the fol ...

, 1971) * ''

Elachocharax mitopterus ''Elachocharax'' is a genus of small fish in the family Crenuchidae (South American darters). They are native to the Amazon and Orinoco basins in South America. Species There are currently four recognized species in this genus: * ''Elachochara ...

'' S. H. Weitzman, 1986 * ''

Elachocharax pulcher ''Elachocharax'' is a genus of small fish in the family Crenuchidae (South American darters). They are native to the Amazon and Orinoco basins in South America. Species There are currently four recognized species in this genus: * ''Elachochara ...

'' G. S. Myers, 1927

References

Characiformes genera Taxa named by George S. Myers Fish of South America Crenuchidae {{Characiformes-stub