zebra mussel beds and left the lake. Other sea ducks also appear more frequently during the winter season. Fish stock at Möhne Reservoir Thirteen species of fish were found in the lake during sample fisheries conducted by the Ruhr Association. The largest stocks come from perch with 53 percent, ruffe with 20.3 percent and roach with 13.9 percent. In addition, whitefish, eel, pike, zander, brown trout, bream, carp, tench and chub are also found. Lake trout and eel occur only because of artificial stocking and do not reproduce naturally. The muskrat is also present. Further reading Helmuth Euler: "Als Deutschlands Dämme brachen. Die Wahrheit über die Bombardierung der Möhne-Eder-Sorpe-Staudämme 1943“. Motorbuch-Verlag, Stuttgart 1975, . Helmuth Euler: "Wasserkrieg – 17. Mai 1943. Rollbomben gegen die Möhne-Eder-Sorpe-Staudämme“. Eigenverlag, Werl 1992, . Wilfried Stichmann, Ursula Stichmann-Marny: Der Möhnesee. Ein Wasservogel-Paradies im Wandel der Zeit. Heimatverein Möhnesee, 2008. Heinrich Zimmer: Die Möhnetalsperre. Mit sieben Illustrationen nach photographischen Original-Aufnahmen. In: Reclams Universum: Moderne illustrierte Wochenschrift 27.1 (1911), S. 367–370. See also List of hydroelectric power station failures Edersee Dam References Reservoirs in North Rhine-Westphalia Dams in North Rhine-Westphalia Lakes of North Rhine-Westphalia Dams completed in 1913 1913 establishments in Germany RMohne Dam failures in Europe