What are the eating habits of a great white shark?

As we mentioned, humans are generally too muscular and lean for a typical shark meal, but a seal might be 50 percent fat, representing a very efficient meal for great whites [source: Carey]. They'll also dine on other fishes and occasionally sea turtles. read more

The great white shark diet consists of turtles, bony fish, squid, seabirds and even other sharks and rays. The white shark however loves to feed on marine mammals most. Most of these are large and very strong which means each animal brings a lot of calories with it. read more

With a length of about 20 feet, the great white is an opportunistic predator. Taking advantage of its massive size and speed, it stalks many smaller marine species quite easily. Even other sharks and rays are not out of its harm’s way. It is observed that the great white shark diet revolves mostly around marine mammals. read more

For great white sharks, sharing food requires a complicated ritual of asserting dominance. Scientists have observed sharks gathered around a single prey item engaged in bouts of tail-slapping and water splashing; the shark with the most tail slaps usually gets to eat the food in question [source: Klimley]. read more