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One in a Million

July 20, 2006

This specimen of Athorybia, a siphonophore or colonial jellyfish, was collected recently from a Census of Marine Zooplankton cruise off the U.S. East Coast. Researchers found many new species in water as deep as 4,500 meters (15,000 feet). (Photo by Laurence Madin, Woods Hole Oceanographic Institution)