Heterandria formosa

Heterandria formosa Girard, 1859 is a species of actinopterygii belonging to the family Poeciliidae (order Cyprinodontiformes).

Common name. In English this species is commonly known as the dwarf livebearer.

Taxonomy. The scientific name Heterandria formosa Girard, 1859 places this species within the actinopterygii lineage, among the most diverse vertebrates on Earth.

Description & ecology. As a member of Cyprinodontiformes, Heterandria formosa 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 Poeciliidae.

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

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