Anatomy and Appearance
The fish can reach up to about 50 cm (20 in) in length. It has strong jaws which are used to crush and eat sea urchins, crustaceans and hard-shelled mollusks.
This fish has unique coloration. The ventral surface has large, white spots on a dark background, and its dorsal surface has black spots on yellow. There is a vertical, white (slightly yellow) stripe on the caudal fin. The brightly painted yellow mouth may be used to deter potential predators. This fish has a form of camouflage that is, or is similar to, countershading. From below, the white spots look like the surface of the water above it. From above, the fish will blend in more with the coral reef environment.
Read more about this topic: Clown Triggerfish
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