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Small orange brittlestars on the coast of the Atlantic.
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An Invasive Brittlestar

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a large room of shelves filled with jars
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The Worm Collection

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A cross-section of a nautilus shell is not only beautiful, it also is a great example of the chambered cephalopod shell. The projections splitting each chamber are the siphuncle tubes that allow gas and liquid to be transferred from chamber to chamber. 
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Chambered Shells

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Two new species of sea stars were discovered in the deep sea: Paulasterias tyleri (on the left) in a North Pacific hydrothermal vent community, and Paulasterias mcclaini (on the right) in the deep sea off the coast of Antarctica.
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Two New Sea Stars

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With seven pairs of legs, nine eyes, and shells the shape of flying saucers, horseshoe crabs look like aliens from the deep.
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Horseshoe Crab from Thailand

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Mah says of the spiny goniasterid sea stars, "They're very efficient and we've seen them devour the polyps inside primnoids kind of the way I just had my cookie." 
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Sea Stars Feed on Octocorals

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A brown-colored deep-sea coral sits on the deep ocean floor and is covered with brown oil floc.
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Anemone On Deep Sea Coral

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Scientists discovered this 1.5-m (5-ft) tall yellow bamboo coral in 2007 off the coast of Hawaii in 1,459 m (4,787 ft) of water.
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New Bamboo Coral Discovery

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This black coral is more than 4,200 years old. Named for the color of their skeletons, black corals come in many colors.
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How old is black coral?

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A male short-snouted seahorse with a pouch full of eggs.
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A Pregnant Seahorse

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A Smithsonian specimen helped identify a new family of deep sea squid with long spindly legs.
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Bigfin Squid

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The crew aboard Oceana’s research vessel Ranger were surprised to discover large colonies of deep-sea white coral in the Western Mediterranean Sea.
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Deep Coral Sighted in Mediterranean

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