Sharks are part of a family of fishes known as cartilage fishes. They have no bones in their bodies, only cartilage, like the soft flexible tissue in the end of your nose. Rays are also a member of this group. In fact, rays are actually nothing more than flattened out sharks. They can be seen flying gracefully through the water as effortlessly as a bird flies through the air.
Some rays are capable if inflicting painful stings with their tails.
Below is a listing of some of the more common sharks and rays found in the world's reefs. No animal inspires more fear in the mind of man that the Great White Shark. It is an aggressive and ruthless hunter, and in many ways, the ideal predator. This shark has been known to grow to over 25 feet in length. The Great White is very common in the Pacific ocean.