Home > Fishes > Surgeonfishes > Naso caesius

Family Acanthuridae

HAWAII

Naso caesius

LCU Wreck, Waianae, Oahu, 75 feet

GRAY UNICORNFISH

Rare in deep water exposed to current where it feeds upon zooplankton.  Elongate hornless body is dark gray with numerous oval blotches.  Attains 25 inches.  Reported from scattered locations throughout the Pacific.