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Map showing the range of the eastern and western populations of Atlantic bluefin tuna and their spawning grounds in the Gulf of Mexico and the Mediterranean Sea.
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Atlantic Bluefin Tuna Distribution Map

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How Carbon Affects Nearly Everything on Earth

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a phytoplankton in a swirl
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Phytoplankton

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pancakes of ice cover the ocean
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Pancakes of Ice

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A blue shark, with a copepod attached to its dorsal fin, coasts through waters near New England.
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Blue Shark

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A tornado of sardines swirls around diver and photographer Erwin Poliakoff in the Philippines.
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Why the Littlest Fish Matter a Whole Lot

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two humpback whales swim underwater
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Humpback Whales

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an octopus with rainbow colored webbing between its arms
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Violet Blanket Octopus

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a clownfish peeks out from its anemone
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Clark's Anemonefish

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a manta ray swims up revealing its underside
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Reef Manta Ray

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