Shark Quest: Protecting the Ocean's Top Predators
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Sharks are in trouble.
Fifty shark species are at high risk of extinction, and another sixty-three are threatened. These intelligent, mysterious—and sometimes scary—fish evolved about 420 million years ago. They have adapted to survive deep in the ocean and in shallow-water habitats. Commercial fishing and finning are threatening shark populations. So is water pollution. Marine biologists and others, including young people, are working together to save these fascinating predators.
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