Acipenser ruthenus

Acipenser ruthenus Linnaeus, 1758 is a species of actinopterygii belonging to the family Acipenseridae (order Acipenseriformes).

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

Taxonomy. The scientific name Acipenser ruthenus Linnaeus, 1758 places this species within the actinopterygii lineage, among the most diverse vertebrates on Earth.

Description & ecology. As a member of Acipenseriformes, Acipenser ruthenus exhibits the group's characteristic adaptations: They are ancient sturgeons and paddlefishes with largely cartilaginous skeletons and bony scutes. Its biology reflects the demands of its particular habitat and life history within the family Acipenseridae.

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

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