Home > Fishes > Surgeonfishes > Naso hexacanthus

Family Acanthuridae


Naso hexacanthus

Sleek Unicornfish, Waikiki Aquarium, 50mm lens

Waikiki Aquarium


Sharkfin, Lana'i, 40 feet

Fish Hole, Midway, 30 feet


Portlock, Oahu, 25 feet

Reef's End, Molokini, 60 feet


Juvenile, Sea Tiger wreck, Oahu, 75 feet


YO-257 Wreck, Waikiki, Oahu, 40 feet

Subadult, Night, Mahi Wreck, Oahu, 80 feet

SLEEK UNICORNFISH        kala holo or 'ōpelu kala       Tenguhagi-modoki

Forms schools in deep water exposed to current where it feeds upon zooplankton.  Hornless with a blue tail and brown trailing edge, dark edge of opercle and preopercle.  Body changes at will from blue-gray to olive brown with faint vertical splashes and yellow below.  Attains 30 inches.  Hawaii & the Indo-Pacific, Clipperton, and Cocos Island.