35 interesting facts about sharks

We instinctively perceive sharks as bloodthirsty and evil creatures. Believe me, they did not deserve such a name. Read more to know about sharks


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We instinctively perceive sharks as bloodthirsty and evil creatures. Believe me, they did not deserve such a reputation. To be honest, people themselves are much more deadly than poor sharks. And here are some facts about them:

35 Interesting facts about sharks.

  1. Sharks do not feel pain.
  2. The largest shark that has ever lived on earth is the megalodon, now extinct. Judging by the fossil remains, megalodons reached thirty meters in length.
  3. Some species of sharks are very fast  - they can reach upto a speed of 50 km / h 
  4. At the same time, the Greenland shark, which is a delicacy in Iceland, swims at a speed of only 2.5 km / h 
  5. Some Sharks cannot sleep. The fact is that water pass through the gills, taking oxygen from it during swimming,  Thus, some sharks never sleep,
  6. Sharks have eyelids, but they never blink.
  7. Occasionally, white sharks even swim in the Black Sea 
  8. Sharks are able to feel the blood diluted in sea water in a proportion of one in a million. Yes, their sense of smell is really very, very acute.
  9. A kind of “compass” for sharks is the natural magnetic field of our planet, which these fish know how to sense.
  10. The eye of a shark is capable of perceiving almost twice as many frames per second than the human eye.
  11. Hearing in sharks is about half as sensitive as in humans.
  12. Contrary to the widespread myth about the danger of sharks, the shark occupies one of the last places in the list of potentially dangerous aquatic creatures for humans.
  13. The place where the largest number of shark attacks on humans is recorded is the coast of the United States, Florida.
  14. Adult white shark able to bite steel bars with the thickness of a little finger.
  15. The largest white sharks ever caught weighed about 3.5 tons and reached a dozen meters in length.
  16. The white shark is a formidable predator, however, killer whales are happy to hunt for it 
  17. On average, an adult white shark consumes about 11 tons of food annually.
  18. In captivity, white sharks do not live, refusing food and preferring starvation to imprisonment.
  19. The skin of a tiger shark is about ten times stronger than the skin of an adult bull.
  20. Unlike a white shark, a tiger shark will attack even inedible objects. Moreover, they will make every effort to gobble them up. In the stomachs of tiger sharks even wooden barrels were found.
  21. A bull shark can live in fresh water.
  22. By the way, of all the sharks, it is the bull shark that makes the most attacks on people (up to half, according to statistics), and not the great white one.
  23. The number of teeth in various species of sharks varies from thirty to fifteen thousand.
  24. The largest shark is the whale, with the smallest teeth, only about 6 millimeters long.
  25. During the hunt, a white shark can jump out of the water to a height of up to three meters.
  26. A tiger shark, clenching its jaws, can easily split the shell of a large turtle.
  27. In most cases, the shark attacks only a weaker opponent than her. That is why usually a shark before an attack circles around the victim - it studies it and considers whether it is worth attacking or not.
  28. The weight of a baby whale shark can reach hundreds of kilograms.
  29. The longest-lived shark is the polar shark, which lives in the cold waters near Antarctica. They can live up to two hundred years.
  30. Some species of sharks grit their teeth, communicating in this way with their species.
  31. The closest relative of sharks from a biological point of view is a stingray.
  32. Northern shark daily absorbs food in an amount comparable to half the weight of its own body.
  33. Angel Shark - The fish is as flat as the flounder.
  34. Northern shark eagerly hunts gulls, jumping out of the water and catching gape birds.
  35. The lemon shark is quite tame. But you must handle these fish with caution - they are very vindictive, oddly enough.

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