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two brittle stars in a tank
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One Becomes Two

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a sea star splits in two
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Brittle Star Splits

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two brittle stars in a tank
Article

Brittle Star Splits

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a seastar
Video

Oil’s Impact on Marine Invertebrates

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A basket star with many arms.
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Basket Star

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A variety of corals cling to Manning Seamount, just off the coast of Cape Cod, Massachusetts.
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Seamounts, A Deep-Sea Habitat

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The sea star Odontaster validus and sea urchin Sterechinus neumayeri are often found living in association with one another along the Antarctic coastline, here during the Census of Marine Life.
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Sea Stars, Urchins, and Relatives

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an orange sea star a top seaweed
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The Ochre Star

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a close up of a sand dollar
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Sand Dollar in the Sea Grass

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a violet sea urchin
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Violet Sea Urchin

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a red sea star
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Red Sea Star

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a yellow and brown sea cucumber on a black background
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Sea Cucumber Close-up

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