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There are more than 350 different kinds of sharks under the sea, according to Shark Facts. The one pictured here happens to be a hammerhead. (AP Photo)
There are more than 350 different kinds of sharks under the sea, according to Shark Facts. The one pictured here happens to be a hammerhead.

(AP Photo)
Denticles, or scales, face the opposite direction from which a shark swims in order to reduce drag and increase speed, according to Discovery. Pictured Children of a kindergarten admire the giant model of a megamouth shark at the Natural History Museum in Schleusingen, central Germany. (AP Images)
Denticles, or scales, face the opposite direction from which a shark swims in order to reduce drag and increase speed, according to Discovery.

Pictured: Children of a kindergarten admire the giant model of a megamouth shark at the Natural History Museum in Schleusingen, central Germany.

(AP Images)
If you find yourself in an unfortunate confrontation with a shark, head to the front or back of its body -- those are its only blind spots. Otherwise, a shark has almost perfect 360-degree eyesight, according to Discovery. Pictured In this image released by Syfy, sharks attack a man in a scene from the Syfy original film Sharknado.(AP PhotoSyfy)
If you find yourself in an unfortunate confrontation with a shark, head to the front or back of its body -- those are its only blind spots. Otherwise, a shark has almost perfect 360-degree eyesight, according to Discovery.

Pictured: In this image released by Syfy, sharks attack a man in a scene from the Syfy original film "Sharknado."

(AP Photo/Syfy)
Humans arent the only creatures that like calamari. Many types of sharks like to snack on squid and octopus.(AP Photo)
Humans aren't the only creatures that like calamari. Many types of sharks like to snack on squid and octopus.

(AP Photo)
The bigger the shark, the bigger the appetite Maybe. According to Discovery, like great whites, Greenland sharks eat seal. But they also have eaten polar bears, horses, moose and even reindeer. (AP Photo)
The bigger the shark, the bigger the appetite? Maybe. According to Discovery, "like great whites, Greenland sharks eat seal. But they also have eaten polar bears, horses, moose and even reindeer."

(AP Photo)
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Not all sharks have sharp teeth. Some, like the horn shark, have flat teeth in order to crush its food. But the Mako shark, pictured here, has razor-sharp chompers. (AP Photo)
Not all sharks have sharp teeth. Some, like the horn shark, have flat teeth in order to crush its food. But the Mako shark, pictured here, has razor-sharp chompers.

(AP Photo)
A prehistoric shark called helicoprion had a circular blade of terrifying teeth.
A prehistoric shark called helicoprion had a circular blade of terrifying teeth.
Think a shark will always win in a fight against a seal Not necessarily. Sometimes the seal wins. And sometimes, the seal outsmarts the shark.

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Think a shark will always win in a fight against a seal? Not necessarily. Sometimes the seal wins. And sometimes, the seal outsmarts the shark.
Hammerhead sharks are nomadic. They travel from Florida to polar regions and adapt to different temperatures through aquatic globetrotting, according to Discovery.(AP Photo)
Hammerhead sharks are nomadic. They travel from Florida to polar regions and adapt to different temperatures through aquatic globetrotting, according to Discovery.

(AP Photo)
That fact alone is kind of crazy. So what is a goblin shark Hint It has a long, flat snout works like a metal detector.
That fact alone is kind of crazy. So what is a goblin shark? Hint: It has a long, flat snout works like a metal detector.
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To find more shark facts, check out Discoverys Fun Fact Roulette.
To find more shark facts, check out Discovery's Fun Fact Roulette.
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