Mysterious giant sharks may be everywhere

Giant sharks living in the cold waters near Greenland? Seems a little strange doesn't it?

But, in reality one of the ocean's largest sharks lives here. Nicknamed the sleeper shark, Greenland sharks are very slow moving and mostly blind. The Greenland sharks are second in size only to the massive great white shark. They can be more than 20 feet long and weigh up to 2,500 pounds.

The shark is an opportunistic feeder, eating just about anything that falls off the ice from reindeer to polar bears. They're the only sharks that can bear frigid arctic temperatures year round.

But, scientists say they may actually live beyond the cold waters of Iceland, Greenland and Canada. Anywhere on earth that's cold enough and deep enough.

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