Inhabits lagoon and seaward reefs (Ref. 9710); found near coral (Ref. 5953). Feeds mainly on sponges and tunicates (Ref. 1602). Juveniles secretive and occur below 25 m (Ref. 37816). Adults in small but loose groups at moderate depths (Ref. 48636). Frequently exported through the aquarium trade (Ref. 48391).