They have four teeth in their mouths that are used like a beak to break up harder organisms and other teeth located in the throat that are used to grind the food into smaller pieces. Because of their size, sunfish are no seen as prey to many species aside from tuna, orcas, and sharks.

Do freshwater sunfish have teeth?

Most members of the sunfish family have very small mouths although they do have full sets of sharp teeth.

Can sunfish bite you?

Most sunfish have similar characteristics, sometimes making identification difficult. ... Superficially, they resemble a bluegill. However, if a sizable population of green sunfish becomes established in your pond, you can usually expect small fish size and very aggressive fish that bite swimmers.