Pythonichthys sanguineus

Pythonichthys sanguineus Poey, 1868 is a species of actinopterygii belonging to the family Heterenchelyidae (order Anguilliformes).

Taxonomy. The scientific name Pythonichthys sanguineus Poey, 1868 places this species within the actinopterygii lineage, among the most diverse vertebrates on Earth.

Description & ecology. As a member of Anguilliformes, Pythonichthys sanguineus 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 Heterenchelyidae.

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

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