Measuring only seven inches long, the dwarf lantern shark is the smallest shark in existence. On the other hand, the whale shark is the world’s largest shark. It can grow to be 50 feet long and weigh more than 40,000 pounds.
The Moses sole is one of the rare fish sharks cannot eat. When a shark bites into one, the fish releases a chemical that causes the shark release it. Scientists are currently attempting to recreate this chemical so they can use it to repel sharks from humans.
A little known fact about sharks is that they have an acute sense of hearing. Some sharks can hear prey from up to 3,000 feet away.
An ancient shark called Carcharodon Megalodon (“rough tooth, big tooth”) had teeth measuring more than six inches long (the largest shark teeth ever found), jaws big enough to swallow an entire car, and a body the same length as tyrannosaurus rex. Some believe this shark may still exist in deep water.
The tiger shark is the second-most dangerous shark in the world and is sometimes referred to as the “garbage can of the sea” because it will eat anything. Remnants of a chicken coop filled with bones and feathers were once discovered in the stomach of a dead tiger shark.
Whale sharks lay the largest eggs of any animal on land or in the sea. The largest whale shark egg on record measured 14 inches in diameter.
Some South Pacific islanders considered sharks to be gods and offered human sacrifices to them until as recently as the nineteenth century