Most sharks are smaller and eat small fish and crabs. The huge Whale Sharks and Basking Sharks eat massive quantities of very small animals called copepods. They swim slowly along a gulp up huge quantities of seawater that contains these small animals. Some small sharks called Dogfish and Spurdog and are caught for food which is called Huss in the fish and chip shops of Britain. The skeleton of sharks consists mainly of cartilage and not true bone which is found in humans and most fishes.
Sharks have an electrical sense system for detecting prey.
At least 21 species of sharks have been recorded in British coastal waters. In addition at least 12 species of Skates and Rays, one species of Stingray and 2 species of Electric Rays also live in the shallow seas surrounding Britain. Other species occur in deeper water. Quiz Teacher's Page Torpedo News Bulletin Shark Discovery CD-ROM is available. It is not the policy of the British Marine Life Study Society to publish information that is easily available elsewhere.