Gerald Hochwimmer, Dr. Lektor/in H81200 Institute of Hydrobiology and Aquatic Ecosystem Management (IHG) Email office@fischfarm-sigless.at Postal address Institute of Hydrobiology and Aquatic Ecosystem Management (IHG) Gregor-Mendel-Straße 33/DG 1180 Vienna Additional links BOKUonline Business card Courses