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The dwarf lantern shark sits in a human hand.
Slideshow

Weird, Wacky, Wonderful Sharks

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Greenland Shark in cold water
Photo

Greenland Shark

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A scientist measures the length of a shark
Photo

Sizing it Up

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An oceanic whitetip shark swims near a biologist in the Bahamas.
Slideshow

Image Gallery: Swimming with Sharks

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Hawaiian monk seals are among the wildlife found within the Papahānaumokuākea World Heritage Site.
Slideshow

Backbone of Biodiversity at Risk

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Great hammerhead in Bimini, Bahamas.
Overview

Sharks

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a bull shark in a net
Photo

A Bull Shark's Toothy Grin

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

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a megamouth shark is hung by its tail on the back of a ship
Photo

The Original Megamouth

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

Built for Speed

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Extreme close-up of great white shark skin denticles.
Photo

Biomimicry Shark Denticles

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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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