Sharks are fish, but unlike other fish, their skeletons are made of cartilage rather than bone, and instead of smooth, flat scales they have sharp, tooth-like scales called denticles. Scientists believe that sharks are 2... More » Pets & Animals Marine Life Sharks

National Geographic and Sharks-World are both good websites for finding information about sharks. Kidzone also has an index of facts that are easy for children to read and understand. More » Pets & Animals Marine Life Sharks

Some fun shark facts include that they have no bones, they have skin like sandpaper, have extraordinary sensory skills and teeth that are constantly being replaced. Most sharks never stop swimming and some species give b... More » Pets & Animals Marine Life Sharks

Sharks belong to the fish family, and are characterized by having skeletons that are made from cartilage rather than bone, a series of five to seven gill slits located on both sides of their body for respiration purposes... More »

An amazing fact about sharks is that the skins of females are much thicker than that of males. This is because male sharks tend to bite the females during mating. In its lifetime, a shark can go through about 30,000 teet... More » Pets & Animals Marine Life Sharks

Blue sharks are known for their distinct coloring, which allows them to blend in with ocean water. From above, the water appears darker and camouflages the shark's dark blue back, while its white underside resembles the ... More » Pets & Animals Marine Life Sharks

Cookiecutter sharks, also known as cigar sharks, are unusual, small predators that commonly attack much larger prey. Their upper and lower teeth are quite different, with the hook-like upper teeth being much smaller than... More » Pets & Animals Marine Life Sharks