Over the years, experts have been trying to determine exactly why great white sharks attack humans. Three of the main theories include the investigatory theory, mistaken identity theory and social-defensive theory.

There are no documented cases of fatal nurse shark attacks in United States territorial waters. Nurse sharks have strong jaws and can deliver a painful bite when provoked but are generally docile.

The best way to survive a shark attack is to try to hit or gouge out the shark's eyes. This may be more effective if you use something heavy as a weapon, such as a camera, driftwood or other debris.


Great white sharks have a lifespan of 30 to over 100 years. At the very beginning, two to 12 baby sharks, or pups, grow inside their mother for a full year before she gives birth. Great whites can be found in all major o...

Great white sharks live in temperate water around the world. They swim in shallow water as well as deep water.

Great white sharks move by swimming. These powerful predators attain top speeds of over 15 MPH, but are only able to sustain such speeds for brief bursts. Great whites swim constantly because they rely on a breathing tec...

Great white sharks eat mainly seals and sea lions. They also eat other types of fish and even sea turtles. Seals are a good source for great white sharks due to their large body fat ratios.