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| | Shark - Wikipedia, the free encyclopedia |
 | | Shark eyes are similar to the eyes of other vertebrates, including similar lenses, corneas and retinas, though their eyesight is well adapted to their marine environment with the help of a tissue called tapetum lucidum. |
 | | Sharks include everything from the hand-sized Pygmy Shark, a deep sea species, to the Whale Shark, the largest fish (although sharks are not closely related to bony fish) which is known to grow to a maximum length of approximately 15 metres (49 feet) and which, like the great whales, feeds only on plankton. |
 | | Sharks are often killed for shark fin soup, in which many sharks are hunted for their fins, which are cut off with a hot metal blade before the live animal is tossed back into the water. |
| en.wikipedia.org /wiki/Shark (3661 words) |
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