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Thursday, January 8, 2009

Great White Sharks




The Great white sharks live anywhere where they can find food. They live in Farallon Islands a national wildlife refuge it is about 27 miles away from San Francisco. It's a common feeding ground for the sharks. Then there is the coastal waters along central California especially around the Ano Nuevo State Reserve and along the Marin Headlands is another common feeding area for the sharks. On summer they live along the coast as far north as Oregon and in the Gulf of Alaska. On fall they turn to south and feed along the offshore islands.


White sharks are the animals that prey on other organisms of food. They begin to feed themselves fish, rays, and other sharks as they grow. Their first prey is
the small harbor seal, but as the sharks increase in size, they become large enough to eat sea lions, elephant seals, and small toothed whales. They attack with a swift, they attack f

rom below, with a large fatal bite. Large white sharks will also look for carcasses of whale sharks, the fat-rich blubber layer of dead whales. They will occasionally feed on sea turtles and sea otters, and are known to attack, but not eat, humans.

The Great white sharks breath by taking in water and passing it over the gills. They transfer the oxygen to the shark's blood.

Great white sharks reproduce the aplacental viviparity they give birth to 2-14 fully-formed pups that are up to 5 feet (1.5 m) long. The fertilization of the eggs occurs within the female. The eggs hatch within the female and are nourished by eating unfertilized eggs and smaller siblings in the womb. There is no placenta to nourish the babies - they must fend for themselves, even before birth. They swim away from the mother immediately after birth, there is no maternal care-giving.


Well the great white shark is also known as white pointer, white shark, or white death, is an excepionally large lamniform shark found in coastal surface waters in all major eat. White shark is arguably the world's largest known predatory fish.. It is the only surviving species.