In Photos: Alien Reefs
There are as many species of coral in these deep sea reefs as there are in their shallow, warm water counterparts and they may exceed the area covered by reefs in the tropics.

of 16
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Chimaere
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Polar Bear
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Iceberg
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Iceberg
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Greenland Shark
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Coldwater Polyp
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Coldwater Reef
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Mediterranean Coldwater Reef
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Coldwater Reef
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Gurnard
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Mauritanian Fish
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Mauritanian Fish
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Sperm Whale
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Sea Rose
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Spider Crab
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Wreck with Sea Squirts