Latin name

Neoglyphidodon nigroris

Other name

Behn's damsel

Identification

There are two adult forms: long-tailed and black.

Features of fish fins

Dorsal spines (total): 13; Dorsal soft rays (total): 14-16; Anal spines: 2; Anal soft rays: 13-15.

Fish colouring

There are two varieties of adult coloration.  Adults from the western Pacific are brown on the front and yellow on the back. In the area from the Andaman Sea to Japan, adults are black. Both species are found on the island of Bali. Juveniles are yellow with two horizontal black stripes.

Distribution

This species is found throughout the Indo-Pacific region. In the Indian Ocean, they are found around Sri Lanka, the Andaman Sea, Indonesia and Australia. In the Pacific Ocean, they are found around Indonesia, the Philippines, Australia, Vietnam, Taiwan, Japan, Malaysia, the Solomon Islands, Vanuatu and Hawaii. 

Habitat

Tropical marine species. They inhabit coral reefs and coral-rich lagoons at depths of 2-21 meters (6.6-68.9 feet).

Size

Adults can grow up to 5.1 inches (13 centimeters).

Behavior

They are solitary and territorial. They do not migrate. They become more aggressive as they age.

Food and feeding habits

Omnivorous fish. They feed mainly on algae, crustaceans, tunicates and salps.

Reproduction

During breeding, females lay eggs in the substrate. The males then guard and aerate the eggs until they hatch.

Fishing

Have no commercial importance. Of no interest to fishermen.

Relationship with a person

Harmless. Sometimes these fish are kept as aquarium fish.