sentences:  As they grow, so does the size of their prey and their consumption of fish rises, but they still will eat anything of a worthwhile size that they can find.An adult's diet is largely fish, caught by sweeping the snout sideways and snapping at the prey, but also includes shrimps, crabs, frogs, snakes, birds and medium-sized mammals.A crocodile catches its prey by stealth with a flick of its head, impaling it with its sharp teeth and gripping and crushing it.