1. The body of the shark produces a special substance that blocks all his pain sensations.
2. Up to 30 tons per 1 sq. cm is the largest shark bite force.
3. About 3.5 years is the gestation period for a shark.
4. The speed of large sharks can reach up to 50 km / h.
5. Shark does not know how to stop abruptly.
6. Not more than 15% of its own weight is the average weekly diet of a shark.
7.15 cm is the smallest shark size, and 12 meters is the largest.
8. The minimum speed of a shark is 2.5 km / h.
9. To regulate the salinity of the water, the shark's body can produce special agents.
10. To conserve energy, the shark can turn off part of the brain.
11. In the water column, the scales of the predator's skin help move faster.
12. Thanks to its large liver, the shark stays on the water.
13. This predator has a low level of blood flow activity.
14. A special fatty secret is used to lubricate shark skin to reduce drag when moving in water.
15. Some shark species may have glowing eyes.
16. The lateral line helps sharks to navigate in space.
17. The shark's eating habits can be affected by the phases of the moon.
18. Sharks never stop moving or sleep.
19. Warm-blooded species include the blue, great white and mako shark.
20. Sharks never blink.
21. There is a species of shark that emits photophores on its fins.
22. Along the intestine there is a special valve in the form of a spiral to increase the absorption surface of the colon.
23. Two vortices in one muscle movement can create a shark's tail fin.
24. The osmotic pressure of a shark provides half of the salt content in the sea water of the ocean.
25. Sharks can suffer from food fever.
26. Some sharks can rest on the ocean floor.
27. If you pull the tail for a long time, the shark may drown.
28. Shark's sense of smell is one of the best on the planet.
29. A shark can experience a voltage of 0.01 microvolts.
30. Even above the surface of the water, a shark can smell.
31. The hammerhead shark is able to inspect the space in 360 degrees.
32. Shark is perfectly oriented in space.
33. The earth's electromagnetic field serves sharks as a "compass".
34. The structure of the eye in sharks has the same configuration as in humans.
35. The muscles of the shark's diaphragm are responsible for focusing the image.
36. A shark can see at a distance of up to 15 meters in opaque sea water.
37. Shark sees 45 frames per second.
38. Shark eyes are able to distinguish colors.
39. The quality of shark vision is 10 times higher than that of a human.
40. Shark can swim safely in the dark and with closed eyes.
41. A shark can sense sounds with the entire skull.
42. In the range of 10-800 hertz, a shark is able to distinguish sound signals.
43. The white shark has the best hearing.
44. Sharks are able to detect changes in water temperature thanks to sensitive skin receptors.
45. Among the possible threats to humans in the water, the shark is the last on the list.
46. It is known on the same person a double attack of sharks.
47. Every year sharks make up to ten attacks on ships.
48. Sharks, attacking ships, often get stuck in them.
49. Florida beach New Smyrna Beach is the place where shark attacks are most recorded.
50. Shark often attacks inedible objects that impede its movement.
51. A shark uses a special system to warn people about an attack.
52. Predators more often attack the male half of the population.
53. A clothed person in the water attracts the shark's attention more than a naked person.
54. In 1873, the white shark got its official name.
55. A teenage white shark feeds exclusively on fish.
56. At the age of 15, the white predator reaches sexual maturity.
57. The killer whale often preys on the great white shark.
58. Great white shark closes its eyes at the last moment of attack.
59. The largest sharks caught were over 10 meters long.
60. Young predators survive on their own without parental support.
61. About 47% of all shark attacks are successful.
62. Expectations and many hours of tracking down the victim is part of the shark hunting strategy.
63. In one year, the average white shark eats up to 11 tons of food.
64. A white shark can live without food for three whole months.
65. Shark often refuses to eat in captivity.
66. The "scavenger" of the ocean is called the tiger shark.
67. Powder barrels and cannonballs were found in the stomach of a tiger shark.
68. Compared to bovine skin, tiger shark skin is 10 times stronger.
69. The tiger shark is considered a night predator.
70. A bull shark can live in fresh waters.
71. About half of all attacks on humans are carried out by the bull shark.
72. In India, the dead are thrown into the water with voracious bull sharks.
73. A bull shark, which can eat its insides, is considered to be almost an immortal predator.
74. The largest amount of testosterone is produced in the bull shark.
75. Only in the back row do new teeth grow in a bull shark.
76. The maximum length of a shark's teeth is 18 cm.
77. Up to 15,000 pieces can be the number of teeth in a shark.
78. A shark renews its teeth up to 24,000 in one decade of life.
79. Only 6 mm is the size of the whale shark's teeth.
80. White shark teeth are about 5 cm long.
81. The only bone tissue in a shark's body is teeth.
82. Shark can determine the fat content of the victim with the help of teeth.
83. Each species of shark has its own shape of teeth.
84. A shark jump in the water during a hunt reaches three meters.
85. The fox shark is distinguished by an unusual way of hunting.
86. The wolf is the terrestrial brother of the shark.
87. The gray shark hunts in an original way.
88. A dolphin can attack a shark, protecting offspring.
89. The tiger shark has characteristic teeth and a very large mouth.
90. Large crocodiles are among the enemies of the shark.
91. A shark can hunt a whale.
92. Sperm whales and porpoises can attack sharks.
93. Shark attacks only obviously weak opponents.
94. The whale shark is the largest species.
95. About 15 tons is the weight of the largest shark.
96. A whale shark lays eggs in the shape of a rectangle.
97. A baby whale shark weighs about 100 kg on average.
98.300 new embryos can simultaneously be carried by a female whale shark.
99. A whale shark eats about 200 kg of plankton daily.
100. The speed of a whale shark often does not exceed 5 km / h.
