dark fishing
n.— «Omori—now a millionaire via bass fishing—came here against his parents’ wishes, the only student from his high school class not to attend college. Even so, a Japanese fisheries official said bass angling is not sport, dubbing it “dark fishing.”» —“Japan wrestling with their own invasive species—largemouth bass” by Pat Durkin Northwester (Oshkosh, Wisc.) Mar. 6, 2005. (source: Double-Tongued Dictionary)