20 Weird Facts About Sharks To Sink Your Teeth Into – Men Fear #13

weird facts about sharks
They are kings of the ocean. And they cut both a fearsome and impressive sight as they slice through the water on the prowl for a meal or a mate. Here are 20 weird facts about sharks you can sink your teeth into.

  1. Sharks can sense a drop of blood from 2.5 miles away. They can detect one part of blood in 100 million parts of water.
  2. Sharks are so powerful that their bite can generate a force of up to 6 tons per square inch.
  3. Sharks, in their millions of years on earth, have shown an extraordinary ability to resist cancer and other diseases. This has raised hopes among medical researchers that the oceans’ most feared predator might turn out to be the cancer patient’s best friend. Investigators continue to study the immune system of sharks to see if it can provide the answer to stopping the spread of cancer in humans.
  4. Sharks can live up to 100 years.
  5. Hammerhead sharks are born with soft heads so they won’t jam their mothers’ birth canals.
  6. A female blue shark’s skin is three times thicker than a blue male’s to survive courtship bites.
  7. The biggest shark is the whale shark which can be up to 50 feet (15 m) long. It has approximately 300 rows of teeth, with hundreds of tiny teeth in each row. It’s a filter feeder and sieves enormous amounts of plankton to eat through its gills as it swims. It is also the biggest fish in the sea. The second biggest fish and shark is the basking shark which is about 40 feet (12.3 m) long and is another filter feeder.
  8. The smallest shark is the dwarf lantern shark, which is only seven inches long. Belonging to the dogfish family, it is found only in the Caribbean Sea. It lives on a depth of 1000 to 1500 feet near the coast of South America.
  9. Sharks can generate about six and a half tons per square inch of biting force.
  10. Sharks have no bones – a shark’s skeleton is made up of cartilage.
  11. For every human being killed by a shark, humans kill two million sharks – so they have more reason to be afraid of us than we of them.
  12. The biggest meat-eating shark is the Great White which grows to be up to 21 feet (6.4 m) long. The smallest sharks are the Dwarf Lanternfish (6-7 inches), Spined Pygmy Shark (7 inches) and Pygmy Ribbontail Catshark (6-7 inches).
  13. Sharks seem to enjoy the taste of men more than women. Despite the fact that an almost equal amount of men and women swim in the ocean, men account for nearly 90 percent of shark attack victims.
  14. The dogfish sharks are named for their tendency to attack their prey as a pack of wild dogs would.
  15. The ostrich is often credited with laying the largest eggs, but the largest egg in the world was actually laid by a shark, the whale shark. The egg, 14 inches (36 cm) long, was found in the Gulf of Mexico in 1953.
  16. The first tiger shark pup to hatch inside its mother’s womb devours its unborn siblings until only two pups remain, one on each side of the womb.
  17. The largest fish ever caught with a rod and reel was a Great White weighing 2,664 pounds and measuring nearly 17 feet in length.
  18. Sharks can go up to at least 6 weeks without feeding. The record for a shark fasting was observed in an aquarium with the Swell Shark, which did not eat for 15 months.
  19. Until the nineteenth century, some some people living on the islands in the South Pacific believed sharks to be gods and offered human sacrifices to them.
  20. The first sharks lived more than 400 million years ago and 200 million years before the first dinosaurs. They have changed very little since then.

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