Rivulus brunneus

Rivulus brunneus Meek and Hildebrand, 1913 is a species of actinopterygii belonging to the family Aplocheilidae (order Cyprinodontiformes).

Taxonomy. The scientific name Rivulus brunneus Meek and Hildebrand, 1913 places this species within the actinopterygii lineage, among the most diverse vertebrates on Earth.

Description & ecology. As a member of Cyprinodontiformes, Rivulus brunneus 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 Aplocheilidae.

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

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