Captains issue S.O.S., claiming new rules meant to save the fish are killing their way of life. With the height of the New England fishing season getting under way this week, small family fishermen say controversial new rules are destroying their livelihood — forcing them to sell their boats and instead search for work as laborers on larger vessels. “It’s a death knell. It’s the beginning of the end for small fishermen,” said Rhode Island fisherman Joel Hovanesian, 54, who recently sold his boat. Plymouth fisherman Stephen Welch, 50, a father of two, said: “We’re in a crisis right now.”...