SharksbyBrian



[|SHARKS][[image:Jaws_ll.jpg width="197" height="163"]]
Sharks are a type of fish with a strong body. They have 5 to 7 gills. It is hard to test the hearing of sharks, but they have a sharp sense of hearing even thougth it looks like if they don't have ears, but they can hear their prey from many miles away. All sharks are meat eaters, including  small sharks.Other sharks like the great white, eat fish and are marine mammal. Sharks are found all around the world in all the seas, they mostly do not live in freshwater except for a few sharks like the bull shark and the river shark, which can swim both in sea water and fresh water. Sharks are often killed for shark fin soup .Millions of sharks are being illegally killed a year for there fins!Other sharks are hunted for food and some species for other products.Some sharks like the whale shark, are filter eaters. They eat small animals like plankton. Some sharks can lie on the bottom of the water while pumping water over there gills, but there eyes remains open .Sharks can be found down 2,000 meters of water, and some live even deeper, But they are almost  below 3,000 meters. An estimate states that, every year,26 to 73 million sharks are killed by people in commercial and fishing.Sharks are also killed for there meat.



__TEETH[[image:shark_teeth.jpg width="278" height="222"]][[image:http://www.wikispaces.com/i/c.gif width="22" height="22" caption="Insert Images and Files"]]__
==The teeth of this dangerous [|fish] is not attatched to the jaw, but in the flesh. Some sharks can lose over 3,000 teeth in there life. Sharks rows of teeth are replaced every 1-8 days. New teeth grow at angles to 30 digrease. == == == ==__LIFESPAND__ == ==The maximum lifespand of a shark is 20 to 30 years, while spiny dogsharks life for 100 years!Whale == ==sharks are also known to life for 100 years. == ==__SMARTNESS__ == ==There is an myth that says sharks are called 'Eating Machines' because they are a powerful, problem solving fish. In 1987, 9 blue sharks worked together to kill a blue whale. ==