What type of organisms primarily constitute the diet that Tetraodontidae members crush with their beak-like mouths?

Answer

Hard-shelled invertebrates like mollusks and crustaceans

Members of the Tetraodontidae family generally possess powerful, beak-like mouths used for crushing hard-shelled invertebrates such as mollusks and crustaceans found on the seabed.

What type of organisms primarily constitute the diet that Tetraodontidae members crush with their beak-like mouths?
classificationfishgrouppufferfish