Shark Fun Facts You Never Knew

  • Or maybe you do and you'll have to let us know in the comments.

If you know these shark fun facts, share something new with us!

  1. Hammerhead sharks have a blind spot directly above and below their heads.
  2. A shark’s teeth are as sharp as razor blades and can basically cuts through anything.
  3. The biggest shark in the ocean is the whale shark.
  4. Basking sharks are the world’s second largest shark.
  5. About 143/500nspecies of sharks are considered under threat and listed as vulnerable to critically endangered.
  6. Sharks have been on earth for over 450 million years.
  7. Some sharks have to move in order to breathe as movement forces water over their gills, moving oxygen to the blood stream. Without movement, the shark will suffocate and die.
  8. A shark’s back fin is called the caudal fin at the back fo the body and it provides thrust and power, as if it were a boat motor.
  9. Some species of shark will return to where they were born to give birth, which is known as natal philopatry. (Sea turtles may do this, too)
  10. Most sharks are white, gray and black
  11. Some sharks have a spriacle that allows them to pull water into their respitory system when they’re at rest.
  12. Hammerhead Sharks have 360 degree vision.
  13. Your chance of dying in a shark attack is estimated to be one in 3,748,067.
  14. Blue Sharks are blue!
  15. Greenland Sharks have a diet of sleeping seals and need to use their sense of smell to find them, because they are too slow to catch prey.
  16. Mating is observed in only a few species of sharks.
  17. Sharks can see colors.
  18. The dwarf lantern shark is the smallest shark and you can find them around the northern tip of South America.
  19. Sharks teeth actually have and are made out of flouride. Shark teeth contain fluorinated calcium phosphate, the main ingredient in conventional toothpaste.
  20. Young sharks eat fish, even other sharks and rays.
  21. Hammerhead sharks have been known to pin stingrays against the sea floor.
  22. Very little is known about where Great White Shark females deliver their pups.
  23. Zebra Sharks get their name from their intricate black and white pattern which makes them look like a Zebra.
  24. The courtship behavior of zebra sharks involves a male biting vigorously on the female’s pectoral fins and tail. BDSM of the animal world?
  25. Shark populations around the world are in rapid decline, mostly impart to humans.
  26. A shark always has a row of smaller teeth developing behind its front teeth. Then the smaller teeth move forward and the front teeth fall out.
  27. Sharks have to bones.
  28. Sharks hunt their prey by swimming under them, then swimming up very quickly, bursting out of the water and falling back into the water with the prey in their mouth.
  29. Sharks communicate through body language. When they feel threatened, sharks swim in quick, exaggerated movements.
  30. Hammerhead sharks have been known to pin their prey to the bottom of the sea floor.
  31. The skeleton of sharks is made completely out of cartilage, which is the same thing humans ears and noses are made out of.
  32. Goblin sharks can be a bright pink color!
  33. The fastest shark in the ocean is the short fin mako shark, swimming as fast as 46mph.
  34. Most sharks have a cold body temperature, similar to the water they swim in.
  35. Baby sharks are called pups.
  36. Sharks reach sexual maturity later than many animals and produces few young contributing to their endangered status.
  37. Hammerhead sharks get their name because their heads literally look like the head of a hammer.

What do you think are the best of these shark fun facts? Share your favorites in the comments!