A shark’s sense of smell is so good that it can smell a drop of blood spilled in the water more than 656 ft. away.
A large shark can eat through steel cables.
The chances of being attacked by a shark are 30 million to 1 against; but it can happen in water just 3.3 feet deep.
Some types of sharks live in fresh waters and can be found swimming up rivers.
When sharks feed in groups they seem to go crazy and bite everything in sight, even each other.
The teeth of the Great White Shark are as long as 2 inches and can tear off a human limb in one bite.
Items found inside shark’s stomachs include torpedoes, crates of drinks, and a suit of armor.
Shark’s teeth are as hard as steel and are constantly renewed. Teeth at the front of their mouth are replaced by new ones in the back in a kind of conveyor belt.