Pennant coralfish

Heniochus acuminatus

Class:

Ray-finned fishes (Lat. Actinopterygii)
Order:

Perch-likes (Lat. Perciformes)
Family:

Butterflyfishes (Lat. Chaetodontidae)
Maximum size:

25 cm TL
Habitat:

Reef-associated, marine; depth range 2–75 m.
Climate:

Tropical; 30˚N–35˚S
Distribution:

Indo-Pacific: East Africa and Persian Gulf to the Society Islands, north to southern Japan, south to Lord Howe Island.
Biology:

Inhabit deep, protected lagoons and channels, and the deeper parts of outer reef slopes. Juveniles are often solitary while adults occur in pairs. A planktivorous species that generally remains within a few meters of the reef.