Female, Koko Craters, O'ahu, 30 feet

Male, Molokini, Maui, 50 feet

Sleeping Male, Kailua-Kona Pier, 15 feet

Female, Night, Hanauma Bay, O'ahu, 4 feet

Juvenile, Waikiki Aquarium

Male, Hanauma Bay, O'ahu, 20 feet

Juvenile, Sea Tiger Wreck, O'ahu, 95 feet

Female, Kewalo Pipe, O'ahu, 50 feet

Female, Pu'u Olai, Maui, 50 feet

Female, Hanauma Bay, O'ahu, 4 feet

Juvenile, Kewalo, O'ahu, 50 feet

Fairly common on shallow reefs where it feeds upon seaweed using rough jaws composed of fused pebble-like teeth.  Females brown or mottled with light scale edges and slightly bulging eyes, juveniles with black pectoral fin base and three rows of light spots, males blue-green with pink lines radiating from the eye.  Attains 20 inches.  East Africa to the Tropical Eastern Pacific.  Formerly known as Calotomus spinidens.