Waters off Washington state only second place in world where glass sponge reefs found
Posted July 31st, 2007 by Ryan
Thirty miles west of Grays Harbor, University of Washington scientists have discovered large colonies of glass sponges thriving on the seafloor. The species of glass sponges capable of building reefs were thought extinct for 100 million years until they were found in recent years in the protected waters of Canada’s Georgia and Hecata straits, the only place in the world they’ve been observed until now.
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