Pythonichthys microphthalmus

Pythonichthys microphthalmus (Regan, 1912) is a species of actinopterygii belonging to the family Heterenchelyidae (order Anguilliformes).

Taxonomy. The scientific name Pythonichthys microphthalmus (Regan, 1912) places this species within the actinopterygii lineage, among the most diverse vertebrates on Earth.

Description & ecology. As a member of Anguilliformes, Pythonichthys microphthalmus 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.