Ariosoma nigrimanum

Ariosoma nigrimanum Norman, 1939 is a species of actinopterygii belonging to the family Congridae (order Anguilliformes).

Taxonomy. The scientific name Ariosoma nigrimanum Norman, 1939 places this species within the actinopterygii lineage, among the most diverse vertebrates on Earth.

Description & ecology. As a member of Anguilliformes, Ariosoma nigrimanum exhibits the group's characteristic adaptations: They are elongate, eel-shaped fishes, mostly marine, with fused median fins and a small gill pore. Its biology reflects the demands of its particular habitat and life history within the family Congridae.

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

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