Triggerfish are carnivorous and their diet consists mainly of crustaceans, mollusks, and small fish. They use their powerful jaws and teeth to crush the shells of their prey. Some species of triggerfish are known to be aggressive and territorial, and may even attack divers or snorkelers who come too close to their nests.
Here is a more detailed list of some of the foods that triggerfish eat:
* Crustaceans: crabs, shrimp, lobster, krill
* Mollusks: clams, mussels, oysters, scallops, squid, octopus
* Small fish: sardines, anchovies, herring, mackerel, damselfish
* Sea urchins
* Brittle stars
* Sea cucumbers
* Worms