AP Photo/David Goldman

Mark Hager, left, positions a camera with the help of Anthony Lucia, right, as captain Al Cottone watches the feed on a monitor from his boat, the Sabrina Maria, in Gloucester, Massachusetts, last spring. Hager's Maine-based start-up, New England Maritime Monitoring, is one of a bevy of companies seeking to help commercial fishing vessels comply with new federal mandates aimed at protecting dwindling fish stocks.