Fishing industry in Denmark vogue, on the same lines as adopted by North Atlantic nations. Three broad categories of fishing in Denmark are industrial fishery, fishery for human consumption (also known as pelagic fishing), and demersal fishery. Industrial fishing is for industrial use of producing fish oil and fish meal. Initially, Industrial fishing using trawlers began in the 1940s with herring fishing in the North Sea. Over time, other fish species included sand eel, Norway pout, blue whiting and sprat (sprat in Skagerrak/Kattegat and in the Baltic Sea). By 1993, the percentage of sand eel was about 70%, when the total industrial fish catch
Fishing industry in Scotland line fishing was similar to small line fishing but was undertaken in deeper waters, further out to sea. The lines could be up to in length and would be fitted with 5,000 hooks. The fishermen usually baited the lines on the boat. Because of the work involved in preparing and hauling the lines, new methods of catching white fish were sought. Trawling was introduced into Scotland from England in the late 19th Century and, from the 1920s, seine-netting was introduced from Denmark. The First World War interrupted the growth of the industry with many fishermen enlisting the Royal Naval Reserve.