Home > Fishes > Damselfishes > Plectroglyphidodon johnstonianus

Updated 9/25/2023

Family Pomacentridae


Plectroglyphidodon johnstonianus

Hanauma Bay, Oahu, 25 feet


Hanauma Bay, Oahu, 25 feet


Juvenile, Sharks Cove, Oahu, 20 feet


Juvenile, Waimea Bay, Oahu, 25 feet


Red Hill, Hawaii, 50 feet


Kewalo Pipe, Oahu, 50 feet

Makapu'u, Oahu, 25 feet


Honokohau, Hawaii, 25 feet

Kahe Point, Oahu, 20 feet


A common solitary inhabitant of large Pocillopora coral upon which it feeds.  Hawaiian adults are olive green transitioning to dark gray toward the tail with neon blue iris and fin margins, juveniles pale greenish yellow with iridescent blue markings, Indo-Pacific adults yellow with a diffuse black bar near the tail.  Attains 4 inches.  East Africa to Okinawa, Hawaii, and Pitcairn.