Amazing Shark Facts

Amazing Shark Facts

1. Sharks live in every ocean.
2. All sharks look alike.
3. Sharks were around before dinosaurs.
4. All sharks are dangerous.
5. Sharks are fish.
6. All sharks are grey.
7. Shark skeletons are made of the same material as your nose and ears.
8. Sharks breathe using gills.
9. Sharks have to keep moving to stay alive.
10. Sharks don’t have ears and cannot hear.
11. Sharks have a very poor sense of smell
12. Sharks have very poor eyesight.
13. The eyes of sharks are black.
14. Sharks cannot blink their eyes.
15. Sharks can detect the electrical signals of other animals.
16. A shark can have up to 30,000 teeth in its lifetime.
17. All sharks have very sharp teeth.
18. A shark will eat anything it finds.
19. Sharks are always hungry.
20. A shark’s skin is smooth.
21. Sharks never get sick.
22. Some sharks lay eggs.
23. Shark mothers care for their babies until they are a year old.
24. Sharks can ‘learn’.
25. Sharks can’t talk to each other.
26. The mako shark is the fastest shark.
27. Hammerhead sharks are the weirdest-looking sharks.
28. People are more dangerous to sharks than sharks are to people.
29. There are several theories as to why sharks ‘attack’ humans. Some ‘attacks’ on humans may be purely an inquisitive testing of an object; some may be territorial; others may be related to the invasion of the shark’s personal space by the human.
30. There are roughly 400 species of sharks and 600 species of rays; for international policy purposes, they are all considered “sharks.”
31. Female spiny dogfish carry their young for two years, one of the longest gestation periods for any animal.
32. Sawfish are born with their snaggle-toothed snouts encased in a protective sheath to prevent injury to the mother.
33. Blue sharks are known to cross entire ocean basins. They are frequently caught as bycatch in high seas fishing gear set for swordfish, tuna, and other commerical fish.
34. Many people fear sharks, but dogs, snakes, bees, and even pigs kill more people than do sharks. Further, people can take simple precautions to reduce the chances of shark attacks, such as not swimming with baitfish or marine mammals, near outfall pipes, at dawn or dusk, or while bleeding.
35. Most sharks play the important role of top predator in ocean ecosystems. By feeding on the weak and wounded of prey species, sharks help keep the oceans in balance.Removing sharks from the food web could have catastrophic effects.
36. Throughout history, sharks have been hunted for their meat, fins, oil, teeth, hides, and more recently, their cartilage skeletons. Overfishing has led to severe declines of shark populations in recent decades.