The Seattle Times

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WHITNEY STENSRUD / THE SEATTLE TIMES
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Wednesday, March 17, 2010

New book dives into the underworld of giant-clam poaching

Geoducks are born in the water, but then drop to the sea floor where they grow and dig for years until they wind up cocooned in the mud with only their siphons sticking through to the water. They feed by sucking water in through one side of their siphons, filtering out microscopic phytoplankton, then exhaling clean water.