Alligator snapping turtles are omnivorous, such as wild fruits, plant stems and leaves, small shrimps, crabs, fish, maggots, snails, earthworms, leeches, small frogs, toads, salamanders, freshwater parasites, small mammals and a variety of algae. In captivity, it eats fish, pork, beef and poultry offal, and in plants it eats apples and vegetable leaves. Female and male identification