Palea Point, Oahu, 25 feet

Juvenile, Pupukea, Oahu, 30 feet

Kewalo Pipe, Oahu, 50 feet

Corsair, Oahu, 100 feet

Sharks Cove, Oahu, 15 feet

Juvenile, Sharks Cove, Oahu, 30 feet

Very common solitary inhabitant of shallow reefs where it cultivates filamentous algae as food.  Vigorously defends this farm against roving herbivores.  Light gray-brown with black scale edges and yellow eyes, juveniles with neon blue fin margins and yellow tail.  Attains 5 inches.  Endemic to Hawai'i.  Formerly known as Stegastes marginatus.  Before that it was confused with Stegastes fasciolatus, which is a Central Pacific species.