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The Middleborough-Lakeville Herring Fishery Commission is seeking volunteers for its annual spring fish count at two fish ladders, and to educate people who flock to the sites to watch the annual migration of herring from Mount Hope Bay in Rhode Island to spawning grounds in Assawompset Pond. Last year’s fish count was approximately 850,000, said Herring Warden David Cavanaugh, an increase over the last few years. The count exceeded 1 million in 2001, but had fallen to 400,000 in 2004, and the following year the state instituted a moratorium on netting the fish, which still stands, Cavanaugh said in an interview. The decline probably resulted from a combination of overfishing off the coast, an increase in predators, and changes in the climate cycle, he said. To volunteer or obtain more information, contact Cavanaugh at 508-947-2220 or Tracie Craig at the selectmen’s office at firstname.lastname@example.org.