Shark and Marine Conservation   In deep trouble Frequently asked questions Did you know? Dangerous to know? Endangered Sharks     Sharks - did you know? There are approximately 390 different species of shark Shark pectoral fins work like aeroplane wings, creating 'lift' to determine its depth in the water Cartilage - like our noses and ears - makes up the skeleton of the shark The bull shark is the only shark that can live in both fresh and salt water More people die from bee stings than from shark attacks Sharks can only swim forwards There are 31 different shark species living in British coastal waters Smell is so important to a shark that two thirds of its brain is devoted to processing scent information Dwarf or pigmy sharks are just seven inches long Whale sharks can grow up to 50 feet in length and weigh 20 tonnes A huge oily liver gives sharks almost neutral buoyancy Sharks may have up to 3,000 teeth at any one time More people are struck by lightening each year than are attacked by sharks Mako sharks have been recorded at speeds of 43mph - making them the fastest Hong Kong imports shark fins from 125 countries and exports them to 75 countries Most sharks have around five rows of teeth More people die from coconuts falling on their heads than from shark attacks As the apex predator of the ocean, sharks help maintain the underwater eco system Sharks were around long before dinosaurs walked the earth Some sharks are now close to extinction due to man's intervention Only one species can save the shark…man