The Moorish Idol is related to Surgeonfishes and Tangs sharing the same tough skin, tiny scales, and brush-like teeth ideal for grazing upon sponges and hydroids.  In Hawaii they are found singly or in small groups.  There is only one species.

Makena, Maui, 25 feet

Palea Point, Oahu, 25 feet

Sea Tiger Wreck, Oahu, 95 feet

Juveniles, Ft. Kamehemeha, Oahu, 4 feet

Sea Tiger Wreck, Oahu, 95 feet

Juvenile, Ft. Kamehemeha, Oahu, 4 feet

Kewalo Pipe, Oahu, 50 feet

Molokini Back Wall, 50 feet

100-foot Hole, Waikiki, Oahu, 85 feet

Juvenile, Makapu'u, Oahu, 15 feet

Common on reefs at any depth singly or in small groups.  Scales are minute and not visible to the naked eye when compared to the Pennantfish, Heniochus.  Feeds upon sponge and encrusting invertebrates.  Attains 9 inches.  East Africa to Japan, Hawaii, Pitcairn, Mexico to Peru.  Zanclus canescens is a synonym.