Strings of mother shells that will contain baby oysters to be farmed are seen at the Drakes Bay Oyster Co., June 7, 2007 in Point Reyes Station, California. (Justin Sullivan/Getty Images)
Strings of mother shells that will contain baby oysters to be farmed are seen at the Drakes Bay Oyster Co., June 7, 2007 in Point Reyes Station, California. (Justin Sullivan/Getty Images)

