Punalu'u, Oahu, 4 feet

Channel, Midway Atoll, 35 feet

Moku o Loe, Kaneohe Bay, Oahu, 3 feet

Common in shallow murky water among rubble and seaweed.  Deep angular body with rounded caudal fin.  Gray with brown or olive mottling.  Attains 3 inches.  Endemic to Hawaii.