A vicious attack occurs during a shark feeding in South Africa. With plenty of bait in the water, researchers wonder if sharks are beginning to see humans as competition for food.

A great white shark ambushes from below a surfer. He manages to escape... but his bitten board shows just how close of a call it was.

Shark attacks are rare, but men are the overwhelming victims when they happen. Throughout history, over 85% of all recorded shark attacks involve men.

A night out goes terribly wrong when a shark attacks in a city canal. Nevertheless, this victim is not alone in her urban tale. City waters are primed with hungry sharks ready to encounter residents.

A diver is attacked during a routine move of a sand tiger shark in an aquarium. He survives, but is badly injured...leaving scientists baffled.

A spear fisherman is mauled by a shark during a dive in the Bahamas. Researchers wonder if animals in the wild can offer clues of how to outsmart these perfect predators.

A shark robs a spear fisher of his catch and almost his arm. The usual suspects are Great Whites, Tigers,or Bull Sharks. However,footage reveals a surprising Bronze Whaler Shark.

On the North Carolina coastline, a spear fisherman dives a shipwreck and encounters a gang of aggressive sharks.It is a terrifying incident, but sharks are moving into ocean graveyards across the globe.