Distinctive Characters: Dorsal fin with 3 spines and 27-29 rays. Anal fin with 25-27 rays. Pectoral fin with 13-14 rays. Dorsal and ventral profiles of head nearly straight. Cheeks scaled. Prominent groove in front of the eye. Longitudinal scale ridges on posterior part of the body extending forward to the middle of the body. Caudal fin truncate to slightly rounded. Colour: Greyish brown, pale below. A white line from corner of mouth to anal fin origin. Two dark curved bars posteriorly on head, which may be either yellow or black.
Boomerang triggerfish's Behavior & Ecology
Inhabit clear inner and outer reef habitats from exposed algae reef flats to deep along drop-offs. Occur in seaward reefs below the surge zone.
Boomerang triggerfish's Feeding
Feed on crabs, bivalves, gastropods, algae, echinoids, tunicates, worms, eggs, and detritus.
