Sharks aidan hamlin

  • Fossils prove that sharks lived 300 million years ago.
  • Sharks have been around longer than dinosaurs by 200 million years.
  • There are between 200 to 250 different species of shark.
  • Their only predator is human beings.
  • Sharks face global extinction if action is not made to protect them.
  • They are critically endangered on the endangered species list.
  • Sharks are hunted for their fins, which are made into shark-fin soup.
  • Shark numbers are decreasing due to poaching.
  • The rarest shark, the megamouth shark (in this picture), with only 100 sightings recorded.
  • The skin of females is thicker than the ones of males.
  • More people are killed by falling coconuts in Asia alone than sharks!
  • In a year, only about 37 people will die from shark attacks.
  • Hammerhead sharks are one of the ten species of the Sphyrnidae family.
  • Hammerheads are easily recognizable by their distinct head structure.
  • They have a 360 degree view of their surroundings.
  • Hammerhead sharks live in the Mesopelagic zone in the water.
  • They tend to hunt near coral reefs since there are more varieties of prey.
  • Their prey consists of octopus, squid, rays, and sometimes they will resort to cannibalism.
  • Scalloped hammerheads hunt in packs for prey to eat.
  • Sharks are recognized for their speed and agility.
  • The Mako shark can reach speeds of 60 mph.
  • Most sharks can swim around 46 mph.
  • Sharks will die if they stop swimming.
  • Sharks can only swim forward.
  • Most sharks have torpedo-like bodies.
  • ¨Jaws¨ contributed to the very intense fear of swimming in the ocean.
  • Sharks have multiple rows of teeth.
  • The front row does the most damage.
  • Sharks can have 50 teeth at one time.
  • The jaw is not attached to their skull, instead moving separately with two sets of jaws.
  • Sharks do not have skeletons made of bone, but cartilage.
  • 70% of the brain is used for olfactory reasons.
  • Their otoliths are the size of a grain of sand.
  • Most sharks live for about 20-30 years in the wild.
  • Full grown sharks, like the whale shark, can reach up to 30-33 feet long.
  • Only a few sharks are aggressive towards humans.
  • Sharks play a huge role in their ecosystem.
  • Megalodon is an extinct mega-shark who had bigger teeth than your hand.
  • Megalodon went extinct 2.6 million years ago.
  • It was 3 times as large as a great white.
  • Megalodon was the largest shark ever recorded.
  • People thought Megalodon´s tooth was a dragon tongue.
  • Megalodon and great whites coexisted for millions of years.
  • Great whites eat 11 tons of food each year alone.
  • Great whites can also jump 3 meters in the air.
  • Great whites cannot be kept in captivity.
  • Thresher sharks can whip their tails to stun their prey.
  • Angel sharks hide in piles of sand to hide and to kill their prey.
  • Whale sharks are 3 times larger than the average shark.
  • The Bull shark is one of the only sharks that can withstand freshwater.
  • Greenland sharks are the slowest sharks in the shark family.
  • The cookie-cutter shark eats parts of other sharks and other animals by cutting into the animal with dagger-like teeth.
  • Sharks can track their prey with the sound of their heartbeat.
  • Sharks breathe through ram ventilation.
  • Every so often, females can reproduce without a male counterpart.
  • Sharks are top predators that keep the environment controlled.
  • You are more likely to be killed by a falling coconut in Asia ALONE than to be killed by a shark.
  • The top of a shark is usually dark to blend in with the top of the water at night.
  • At night, sharks swim to the surface to stay warm.
  • 30%-80% of a shark´s body is made of water.

Works Cited

"All About Sharks." Zoom Sharks - Enchanted Learning Software. Web. 20 Apr. 2017.

"Basic Facts About Sharks." Defenders of Wildlife. 19 Sept. 2016. Web. 20 Apr. 2017.

Frost, Emily. "Sharks." Ocean Portal | Smithsonian. Smithsonian's National Museum of Natural History, 14 Mar. 2017. Web. 20 Apr. 2017.

"Hammerhead Shark." Shark Facts and Information. Web. 20 Apr. 2017.

"Human Shark Bait." National Geographic - Videos, TV Shows & Photos - Canada. Web. 25 Apr. 2017.

Main, Douglas. "8 Weird Facts About Sharks." LiveScience. Purch, 06 Aug. 2013. Web. 20 Apr. 2017.

"Shark Facts • Interesting Information & Facts About Sharks." Shark Facts. Web. 20 Apr. 2017.

"Shark Guardian - 100 Awesome Shark Facts." SHARK & MARINE CONSERVATION WORLDWIDE. Web. 20 Apr. 2017.

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