Waikiki, Oahu, 10 feet

Punalu'u, Oahu, 3 feet

Abundant but rarely seen under rocks and dense seaweed on shallow barren reefs; in Hawai'i often hidden in clumps of alien Gorilla Seaweed.  Olive green to brown with red-orange fin margins dark bars on head, and white dot on caudal peduncle, caudal fin rounded.  Attains 2.5 inches.  Formerly known as Apogon waikiki.   Red Sea to Japan and French Polynesia, including Hawai'i.