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How many do you know about 17 kinds of terrible and rare sharks?

1. Saw shark: the nose part is a sharp long saw, the body length is about 1.7 meters, you can use the saw to drill out the prey hiding in the sand.

2. Ninja lantern Shark: a new shark species discovered in 2015, with dark skin and protruding eyes, special cells enable him to shine in the dark, and the dark skin makes him integrate with the surrounding environment.

3. Whale shark: the longest body can reach 13 meters and the heaviest weight can reach 21 tons. It is the largest fish in the world at present.

4. Hammerhead shark: also known as Warhammer shark, it can be up to 6 meters long, with special eye structure and 360 degree omni-directional view. The most special thing is their sex life: the male will continue to bite the female until they agree to mate!

It's too violent & hellip;

5. Basking shark: also known as elephant shark, with a body length of 12 meters, is the second largest fish in the world at present. It moves slowly and is generally harmless. It mainly depends on plankton for food.

He should be the friendliest shark?

6. Tiger shark: if you want to keep a shark as a pet, the gentle tiger shark is a good choice. They feed on fish, sea urchins and crabs and will not bite people. They are nocturnal creatures and will not leave their habitat more than 20 kilometers in their lifetime.

7. Long tailed sharks: they use their tails to 'whip' other fish, causing them to fall into a coma before eating.

8. Flat Shark: it looks like a fish and its habits are like catfish. It will hide on the bottom of the sea and prey on small fish. It bites, but it's usually not fatal.

9. Whitefin Shark: one of the most dangerous sharks in the world. During World War II, hundreds of soldiers who sank and fell into the water were eaten by them. Radar usually can't detect them because they're moving in the deep sea.

Tiger shark: also known as weasel shark, they eat everything and they will eat you. Some experts dissected tiger sharks and found the remains of cats, sheep and horses in their stomachs. They also eat garbage.

11. Megatoothed Shark: the largest shark in history, 30 meters long, but fortunately, it was extinct 2.6 million years ago. You can see how easy it is for him to eat you by looking at the comparison below.

12. Megamouth Shark: a very rare shark, with only 60 found in the world. The body is about 5.5 meters long and only eats plankton.

13. Whisker Shark: mainly in Australian waters, it looks like a carpet and provides a good camouflage. There are also protrusions like small plants around their mouths, which make them better at camouflage. They don't eat people, but Australians will eat them as food.

14. Cigar Damo Shark: Although he is petite, he is a kind of fierce shark. He will bite the prey with the teeth as sharp as teeth in his jaw, and then tear off the meat by turning his body. The bitten prey will leave pit like scars.

15. Speartooth River Shark: this kind of shark can live in fresh water or even river water, and will attack human beings, mainly in mangrove swamps in northern Australia.

16. Great white sharks: although they are the most famous sharks, they are not the deadliest, largest and rarest shark species.

17. Crinkly gill sharks: their gills are long spaced and covered with folds. They have 300 teeth. They are mainly found in the deep sea. There are only a few of them.

Some sharks are lovely. In fact, share them with more people!