The hard truth about sharks suspected shark is like the ninja assassin's cum vampire Ocean. They are powerful, destructive, but silently. They can kill enemies in seconds that prey could not even understand what was happening. But beside that person is feared dead, but very much about sharks that you may not know to: 1. A whale shark can weigh 18,000 tigers piranha fish. 2. The ancestors of sharks appeared 400 million years ago, which is 200 million years earlier than the dinosaurs. That means that when dinosaurs dominated the ground, roaring and then became extinct because of climate change, shark cavalier still exist under their underworld. 3. Sharks can swim at speeds of up to 60km / h. Meanwhile, the average speed of the pool is only 4 km / h. 4. Sharks have no bones. Department of "bones" of it composed of cartilage. Since no ribs so if they leave the water, the body weight of the shark can crush the internal organs before they suffocate. 6. Sharks are all killer assassin, meaning that there is no natural enemies stronger than them and destroy them, except for people with weapons. May the shark just respect for each killer whale. 7. An average of 60 shark attack cases are recorded each year. Few of them fatal. In contrast, there are 70 million sharks are killed each year by catching and shark boats. 8. Shark skin elastic and durable cowhide 4 times. 9. Sharks have sensitive hearing and taste amazing. They can smell blood in the water from 1.5 km. 10. There are times a shark can own up to 3,000 teeth. That they are associated with better function and is continuously renewed throughout life. 11. It was discovered many strange objects inside the stomach of a shark as armor, bottles of wine ... That shows sometimes sharks will swallow things that grab is, instead of grinding crushing everything in its jaws killer. 12. Most shark fin 8. Pool Sharks can only offset to avoid objects in front of them, by shark fin does not allow us to move backwards.
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