FILE – In this May 21, 2012, file photo, Scott Beede returns an undersized lobster while fishing in Mount Desert, Maine. Fisherman in northern New England have been catching record numbers of lobsters, but south of Cape Cod, the lobster population has plummeted to the lowest levels ever seen, in a northward shift that scientists attribute in large part to the warming of the ocean. (AP Photo/Robert F. Bukaty, File)