According to the Florida State Museum of Natural History, only about 16% of all shark attacks are fatal.
The smallest species of shark the dwarf lantern shark, is so tiny that it can fit in your palms.
Killer whales are the only natural predators of hammerhead sharks.
The mako shark is the fastest species of shark, averaging 43 miles per hour. That's faster than most horses!
Scientists can tell the age of sharks by counting the rings on their vertebrae.
Remoras eat scraps of food left by the shark and feed on parasites on the shark's skin. The shark makes swimming easier for the remoras, so it's a win-win for both parties!
Many people are surprised to find that sharks have no bones!
Although we fear sharks, they have more reason to be scared of us because humans kill about 100 million sharks yearly.
The very first ancestor of sharks appeared about 450 million years ago.