Census of Marine Life

First seen in 2002, a foot-long 'comb-jelly,' or ctenophore, clings to the floor of the ocean's abyss by one stretched tentacle. Comb-jellies are fragile gelatinous animals found in all oceans. Photographed by a remotely operated vehicle at a depth of 7,217 meters (4.48 miles) in the Ryuku Trench off Japan, this new species holds the record as the deepest living ctenophore.

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