There are more than 500 species of sharks swimming in the world’s ocean. Yet when most people think of these cartilaginous fish, a single image comes to mind: a large, sharp-toothed and scary beast. That generalization does sharks a huge disservice, as they have far more variety than that. They range in size from the length of a human hand to more than 39 feet (12 meters) long; half of all shark species are less than one meter (or about 3 feet) long. They come in a variety of colors ... Sharks can rouse fear and awe like no other creature in the sea. Find out about the world's biggest and fastest sharks , how sharks reproduce, and how some sp... Sharks Facts and Information. Facts about species, anatomy, distribution, reproduction, conservation and relation with humans. Sharks have been around for about 450 million years. They’re older than dinosaurs and trees, and have survived multiple mass extinctions. Today, the planet’s oceans are home to around 500 shark species that come in an incredible range of shapes and sizes. Sharks are closely related to skates and ...
