Sharks 101 | National Geographic

Sharks 101 | National Geographic

Update: 2019-07-25
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Sharks can rouse fear and awe like no other creature in the sea. Find out about the world's biggest and fastest sharks, how sharks reproduce, and how some species are at risk of extinction.
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Sharks 101 | National Geographic
https://youtu.be/4HGNqFdaD34

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Sharks 101 | National Geographic

Sharks 101 | National Geographic

National Geographic: Science | National Geographic