PORTLAND, Maine — Maine's lobster haul might be less this year, and prices have drifted downward for both lobstermen and consumers, members of the industry say.American lobster fishing is in the midst of a multiyear boom, with Maine fishermen setting a record of nearly 131 million pounds last year. Fishermen in the state have caught more than 100 million pounds for six years in a row after never previously reaching that total.