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A preserved cookie cutter shark, in a jar.
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Cookie Monster of the Sea

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Three bar jacks and a female tiger shark swim through the ocean off the coast of the Bahamas.
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Tiger Shark

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a megamouth shark is hung by its tail on the back of a ship
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The Original Megamouth

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Shark Sizes: Whale Shark 46 feet, Basking Shark 33 feet, Great White Shark 23 feet, Megamouth Shark 15 feet, Nurse Shark 13 feet, Mako Shark 8 feet, Blacktip Reef Shark 6.5 feet, Bonnethead Shark 3.4 feet, Dwaf Lantern Shark 6 inches
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What is the Biggest Shark? A Chart Shows the Diversity of Shark Sizes

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An underwater photo of sharks
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Why Are We So Afraid of Sharks? It Could Be the Background Music

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A scientist measures the length of a shark
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Sizing it Up

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A scalloped hammerhead (Sphyrna lewini) at Isla del Coco, Costa Rica.
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Scalloped Hammerhead Shark

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An oceanic whitetip shark swims near a biologist in the Bahamas.
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Spectacular Shark Pictures

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The dwarf lantern shark sits in a human hand.
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Weird, Wacky, Wonderful Sharks

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Side view of a great white shark swimming in bright blue water.
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Great White in the Sunlight

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Fossils of teeth from Giant Megatooth Shark
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Megalodon Teeth

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Hawaiian monk seals are among the wildlife found within the Papahānaumokuākea World Heritage Site.
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Backbone of Biodiversity at Risk

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