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A skate is among the many bycatch species caught in this shrimp trawl net.
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Bycatch in Shrimp Net

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An adult and juvenile killer whale frolic in the water.
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Killer Whales Swimming

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Students share a microscope to get a closer look at plankton samples from the Deepwater Horizon Oil Spill.
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Students Study Plankton

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A Cirraturlid worm swims in the open ocean.
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Why I Love Polychaetes

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two veterinarians listen to a dolphins heart next to a dock
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Navy Dolphin

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Scientist Martha Nizinski examines a sample of the deep-sea coral Lophelia pertusa, collected 600-m (1,969-ft) deep off the coast of the southeastern United States.
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Martha Nizinski: Hooked on Deep-Sea Corals

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Two octopuses sitting underwater highlight the different textures the animals can take on.
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Octopuses and Squids

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The robotic underwater glider Scarlet Knight crossed the Atlantic over the course of several months in 2009.
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Underwater Robots Explore the Ocean

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In this painting, a giant squid engages in a struggle for survival with a sperm whale.
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The Mystery of Ambergris

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A longshoreman standing in front of a large pile of oyster shells on waterfront pier in Atlantic City in 1910.
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Counting Mountains of Oysters

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Crown of Thorns Starfish in the Marianas Islands
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Crown of Thorns Starfish

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