PHOTOS: Sharks Swim Towards Extinction

Study finds three shark species to be on the brink of extinction.

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PHOTOS: Sharks Threatened by Fin Soup

sharks

In addition to their fins, sharks are also targeted for their meat, liver oil and cartilage. Liver oil and cartilage is used in several cosmetics and dietary supplements. A black tip shark hunts. (Courtesy Rob Stewart/Sharkwater)

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