Sharks Nathan Riddle

  • sharks have been around for 400 million years.
  • there are around 250 species of sharks.
  • sharks are in all of earths oceans.
  • Most sharks don't attack humans.
  • whale sharks are the largest shark species.
  • Sharks have good smell.
  • sharks eyes are great for where they live.
  • sharks can smell blood miles away.
  • sharks have multiple rows of teeth.
  • All sharks have triangular teeth.
  • sharks can use and grow 20,000 teeth in a lifetime.
  • a whale shark can have 300 rows of teeth.
  • sharks have good dental health.
  • Sharks are cavity resistant.
  • sharks usually have forty five through 50 teeth in there front row.
  • Female sharks can reproduce on there own without a male.
  • Male sharks bite during mating.
  • There are different ways for a sharks to give birth.
  • Sharks can lay eggs.
  • Sharks can have live birth.
  • Female sharks can use sperm from different male sharks which means sharks born at the same time could be step brothers/sisters.
  • Sharks communicate with body language.
  • Blue shark can have 135 pups in one litter.
  • Sharks are able to feel vibrations in water.
  • Sharks have to move to breathe.
  • Sharks never fall completely asleep.
  • Great white shark ks the largest flesh eating shark.
  • Whale shark is the the largest shark species.
  • Whale shark is the largest fish species.
  • Hammer head sharks have electrical sensors in there head which make them great hunters.
  • Sharks live in all of earths oceans.
  • Smallest shark recorded was six inches long.
  • A shark bite force could be up to 400 psi.
  • Hammer heads have electrical sensors which make them good hunters.
  • Male snaggle tooth sharks can grow two times bigger than females.
  • There are 201 sharks on the red list.
  • All sharks are carnivores.
  • The whale shark is the largest shark species.
  • Mega mouth shark was first discovered in 1976.
  • Cookie cutter shark can take ice cream sized bites out of other sharks.
  • Dwarf shark is the smallest shark species
  • Mako sharks are the fastest shark species.
  • green land shark is the slowest shark species.
  • Heaviest shark ever recorded weighed 13.6 tons.

fun facts

  • Lantern sharks can glow.
  • Whale sharks can live for 100 years.
  • 2/3 of sharks brains are dedicated to smell.
  • Average sharks live from 10-30 years.
  • Some sharks are solitary.
  • Sharks don't care for there babies after they are born.
  • Shark skeletons are made of cartilage.
  • Most sharks have 8 grid fins.
  • Sharks don't have gas filled swim bladder
  • Baby sharks eat there own teeth when they are first born.
  • Sharks can have 30,000 teeth in a lifetime.

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