Blue or rippled triggerfish - AbsoluteAstronomy.com

The blue triggerfish or rippled triggerfish, Pseudobalistes fuscus, is a brilliant blue colour. This fish is known for its aggressiveness and many divers choose to stay away from them, as they bite often.

Diet

The blue triggerfish, like most other triggerfish, eats shellfish

Shellfish

Shellfish is a culinary and fisheries term for exoskeleton-bearing aquatic invertebrates used as food, including various species of molluscs, crustaceans, and echinoderms. Although most kinds of shellfish are harvested from saltwater environments, some kinds are found only in freshwater...

, small crustacean

Crustacean

Crustaceans form a very large group of arthropods, usually treated as a subphylum, which includes such familiar animals as crabs, lobsters, crayfish, shrimp, krill and barnacles. The 50,000 described species range in size from Stygotantulus stocki at , to the Japanese spider crab with a leg span...

s, and other bottom-dwelling invertebrae.

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