Home > Fishes > Surgeonfishes > Naso annulatus

Family Acanthuridae

HAWAII

Naso annulatus

Subadult, Hanauma Bay, 8 feet

 

Maui Ocean Center

Juvenile, Ma'alaea Bay, Maui

WHITEMARGIN UNICORNFISH

Rare in very deep water along dropoffs where it feeds upon zooplankton.  Caudal fin white with black membranes and trailing edge, adults with an extremely long horn directly ahead of the eyes.  Attains 40 inches.  Hawaii & the Indo-Pacific.