Latin name

Heniochus acuminatus

Other names

Longfin bannerfish, reef bannerfish, coachman.


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.


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.


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. 


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


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. 


Laying eggs. Fish form pairs during reproduction.


This species is of little commercial interest to fishermen.

Relationship with a person

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

Phylum Chordata
Class Actinopterygii
Squad Perciformes
Family Chaetodontidae
Genus Heniochus
Species H. acuminatus
Conservation status Least Concern
Habitat Pelagic
Life span, years No information
Maximum body weight, kg No information
Maximum length, cm 25
Sailing speed, m/s No information
Threat to people No information
Way of eating Planktonophage

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Pennant coralfish

Tags: pennant coralfish