Johnrandallia nigrirostris

Johnrandallia nigrirostris (Gill, 1862) is a species of actinopterygii belonging to the family Chaetodontidae (order Perciformes).

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

Taxonomy. The scientific name Johnrandallia nigrirostris (Gill, 1862) places this species within the actinopterygii lineage, among the most diverse vertebrates on Earth.

Description & ecology. As a member of Perciformes, Johnrandallia nigrirostris exhibits the group's characteristic adaptations: They are spiny-rayed fishes with two dorsal fins and great ecological diversity across reefs, open water, and fresh water. Its biology reflects the demands of its particular habitat and life history within the family Chaetodontidae.

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

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