Also known as Sergeants, Sergeant Majors, Hawaiian Sergeant, Hawaiian Sergeant Damselfish, Hawaiian Sergeantfish, Hawaiian Sergeant Major, Banded Damselfish.
Found in schools over rocky bottoms of quite pools, inshore and offshore reefs.
They feed on algae and zooplankton.
Length - 30cm
Depth - 1-50cm
Widespread Eastern central Pacific
Damselfish are egg layers.
First they clear a site ready for a nest, then engage in a mating dance with rapid swimming and fin movements, during this time the males will often turn a shade or two darker and may display white blotches. Spawning occurs at dawn.