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an oyster shell on a beach
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Oyster Shell

 Oysters filter about 50 gallons of water a day. ...
A harp seal in icy water
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Harp Seal

Harp seals depend on seasonal ice during the breeding season. Their populations may...
A fur seal in kelp
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Fur Seal

 Warming climate, changing ocean chemistry, and overfishing threaten kelp forests...
A school of Atlantic bluefin tuna
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Atlantic Bluefin Tuna

 Endangered Atlantic bluefin tuna are caught in the wild and fattened in pens for...
A translucent pteropod swims freely in the open ocean with a black background.
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Shelled Pteropod

 Changes in ocean chemistry destroy the shelled pteropods that this “naked sea...
Phoenix Islands protected area
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Phoenix Islands

 Unlike most coral reefs, those of the Phoenix Islands are protected from pollution...
A Pholas dactylus clam illustration.
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The Borer of Holes

 These clams (Pholas dactylus) are dazzling to see.  From their encased homes,...
King Manuel of Portugal rides a sea creature
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Political Props

 Long before they disappeared from maps, sea monsters were repurposed for politics....
a mermaid illustration on an old map
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A Mermaid's Vanity

 A siren admires herself in a mirror—a sign of her vanity—amongst ships in the...
A lobster like beat on an old map
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The Many Footed Beast

 Polypus (meaning “many-footed”) was used to describe many animals, from the...
A sea pig illustration on an old map
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Sea Swine

 This sea pig, which was compared to heretics that distorted truth and lived like...