Jenynsia onca

Jenynsia onca Lucinda, Reis and Quevedo, 2002 is a species of actinopterygii belonging to the family Anablepidae (order Cyprinodontiformes).

Taxonomy. The scientific name Jenynsia onca Lucinda, Reis and Quevedo, 2002 places this species within the actinopterygii lineage, among the most diverse vertebrates on Earth.

Description & ecology. As a member of Cyprinodontiformes, Jenynsia onca exhibits the group's characteristic adaptations: They are small freshwater and brackish fishes; livebearers give birth to live young. Its biology reflects the demands of its particular habitat and life history within the family Anablepidae.

Distribution. The species occurs within the natural range of its lineage; precise localities and depth preferences are documented in the taxonomic literature for Anablepidae.

Human relevance. Like many fishes, it may be of interest to fisheries, aquaculture, the aquarium trade, or conservation, depending on its abundance and distribution.