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

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Photograph of the model of a Giant Megatooth Shark, taken from the front..
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Giant Megatooth Model

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A Great White Shark hunted and killed.
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Dead Great White Shark

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Algae has overtaken this coral reef off heavily populated Kiritimati, or Christmas Island.
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Unhealthy Coral Reef, Kiritimi, Line Islands

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Dark brown oil floods a marsh after the Deepwater Horizon oil spill.
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Oily Marsh after the Oil Spill

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A photo of a red-colored sea anemone photographed in the Baltic Sea.
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Urticina Felina, a Baltic Sea Anemone

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The midwater scyphomedusa Atolla tenella, as seen under a microscope.
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Midwater Sea Jelly

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An adult giant squid battles its only known predator - a sperm whale.
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Battle with a Sperm Whale

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Flower-like clusters of pink polyps make up this coral colony.
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Coral Colony

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When water conditions deteriorate, the rivulus fish can live temporarily out of water.
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Rivulus Fish

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Dr. Candy Feller is framed by the roots of a mangrove tree on Panama’s Pacific coast.
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Dr. Candy Feller with Mangrove Roots

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These Smithsonian field stations enable scientists worldwide to conduct long-term studies on mangrove ecosystems.
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Description of Smithsonian Field Stations

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