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This nudibranch is making a comeback to a location it hasn't been to in years along the California coast. First discovered off the coast of Southern California in 1902, Felimare californiensis was thought to be extinct in the region sin
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The Comeback Sea Slug

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A blue cod and sea pens, a unique type of cnidarian, speckle the seafloor in New Zealand's Fiordland region.
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Blue Cod Amongst Sea Pens

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Adult green sea turtles spend most of their time grazing in seagrass meadows.
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Green Turtle in Seagrass

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An Illustration of small tentacled fossils.
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Ancient Entoproct Community

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Up close look at thin tentacles of a jellyfish.
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Jellyfish Tentacles Close Up

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A translucent arctic comb jelly.
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Arctic Comb Jelly

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This rare staurozoan, or stalked jellyfish, Haliclystus californiensis, is about 2 centimeters in length and was collected off the coast of California.
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Staurozoan: The Stalked Jellyfish

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How Many Nights of Hanukkah? A harp has its own place in holiday music, but we also think this sponge looks like a super-sized menorah! This newly-discovered carnivorous sponge (Chondrocladia lyra) was found using robotic submersibles operated by the
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Harp Sponge

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An elephant seal with round scars from a cookie-cutter shark lays on the beach.
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Cookie-cutter Shark

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A big-bellied seahorse
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A Foot-Long Seahorse

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A harp seal pup rests on the ice at sunset in the Gulf of St. Lawrence, Canada.
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Harp Seal Pup at Sunset

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A purple jellyfish
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Stinging Beauty

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