Shark Attack! Top 10 Attack Sharks (Discovery Channel)

Great white sharks, the most famous & deadly species, can swallow something half their size without chewing. But chew on this: ther eis no animal on Earth with more biting force than a shark. And what a bite it is - shaks can have as many as 3000 teeth! Explore the underse world of sharks & you'll discover the top 10 attack sharks & fascinating information about them. Did you know? If a shark stops swimming it will sink, it has no bones, & a whale shark, the largest shar in the world, measures up to 50; long & has a 4-foot wide mouth.