Latin name

Heniochus acuminatus

Other names

Longfin bannerfish, reef bannerfish, coachman.

Identification

This fish has a curved and flat body.      

Features of fish fins

Dorsal spines (total): 11-12; Dorsal soft rays (total): 22-27; Anal spines: 3; Anal soft rays: 17-19.

Fish colouring

They have a white body, the typical long white dorsal fin and two black stripes on the sides. The tail fin and part of the dorsal fin are yellow.

Distribution

This species is found in the Indo-Pacific: East Africa and the Persian Gulf to the Society Islands, north to southern Japan, south to Lord Howe Island. Throughout Micronesia.

Habitat

A marine, brackish, tropical species. Depths range from 2 to 178 m, usually 15 to 75 m. Occupies deep, sheltered lagoons and channels, and deeper areas on the outer slopes of reefs. 

Size

Pennant coral can reach a length of 25 cm. The usual size is 15 cm.

Behavior

Juveniles often live alone, while adults are found in pairs.

Food and feeding habits

A planktivorous species, usually found within a few meters of the reef. Juveniles may occasionally feed on parasites on the epidermis of other fish. 

Reproduction

Laying eggs. Fish form pairs during reproduction.

Fishing

This species is of little commercial interest to fishermen.

Relationship with a person

They are often found in aquariums due to their bright coloration.