Sharks are at the top of their respective food chain and are not usually hunted by other animals; however, sharks have been known to eat other sharks from time to time. There have also been a few sightings of moray eels eating small sharks. read more
Quick Answer. Though sharks are considered apex predators, they are often eaten by humans and are sometimes eaten by killer whales. Shark embryos from different fathers will also eat each other in utero, with the largest embryo of the bunch usually winning out. read more
Most sharks eat fish, octopi, squid, turtles, and other cold-blooded sea creatures, along with the occasional sea bird caught napping on the water. But some of the largest and most dangerous sharks such as great whites and tiger sharks will eat dolphins, porpoises, seals, sea lions, and other swimming mammals. read more