ghost fishing
n.— «Ghost fishing When lost nets, loose traps or fragments of other broken equipment continue to catch and kill marine life. Modern traps have escape vents constructed from biodegradable materials to allow lobsters to escape from lost traps.» —“How to Talk Like a Maine Lobsterman” by Thy Tran KQED Food Blog: Bay Area Bites (San Francisco, California) July 15, 2007. (source: Double-Tongued Dictionary)