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An illustration of the megalodon shark.
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Ancient Giant Megatooth Shark

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Greenland Shark in cold water
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Greenland Shark

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A scientist measures the length of a shark
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Sizing it Up

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An array of teeth from ragged tooth sharks.
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Smithsonian Shark Teeth collection

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Great White Sharks are powerful swimmers, capable of going 50 kph/35 mph.
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Built for Speed

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A fossil of the ancient shark Falcatus falcatus
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The Ancient Shark Falcatus falcatus

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Millions of sharks are caught each year for their dorsal fins, which are prized for shark fin soup. Top predators like sharks are important to maintaining biodiversity, and their removal can have ripple effects through an ecosystem.
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Finned Sharks in South Africa

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An illustration of the megalodon shark.
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The Megalodon

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scientists insert an acoustic tag under a shark's skin
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Tagging a Shark

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a copepod attaches to the eye of a Greenland shark
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An Eye Sore

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An aerial view of the rocky islands that make up the Gulf of the Farallones.
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Aerial photo of Farallones

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A frame-by-frame view of a Great White Shark breach- frame 6.
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Breaching Sequence 6

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