New York Times:
Red Tide Shuts Shellfish Areas in New England
By PAM BELLUCK
Published: June 4, 2005
BOSTON, June 3 - New England waters are being plagued by what may be the worst outbreak of red tide in the region, a Massachusetts official said Friday.
The toxic algae bloom has led state officials to close shellfish beds between Maine and Cape Cod so that people do not eat infected clams, mussels, oysters and scallops.
Scientists and state officials say the outbreak, possibly caused by an unusually cold and wet winter and spring, is worsening and, at minimum, is expected to last several weeks. The chief shellfish biologist in Massachusetts, J. Michael Hickey, said two-thirds of the shellfish beds in the state had been closed, including, late on Friday, all the shellfish flats off Nantucket Island....
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This species of algae, unlike a variety of red tide that occurs off Florida, does not emit fumes that kill ocean life or prevent people from swimming. Beaches have not closed. And it affects only bivalves, not other seafood like lobsters or shrimp.
If shellfish infected with the New England strain is eaten, the toxin could cause numbness, breathing problems or even death, said Dr. Don Anderson, a senior scientist at the Woods Hole Oceanographic Institution, who, along with other scientists, has received emergency federal money to help monitor the problem....
http://www.nytimes.com/2005/06/04/national/04tide.html