1. Department of Biology and Ecology of FishesLeibniz‐Institute of Freshwater Ecology and Inland Fisheries Berlin Germany
2. Angler Association of Lower Saxony Hannover Germany
3. Thünen Institute of Fisheries Ecology Bremerhaven Germany
4. Faculty of Life Sciences and Integrative Research Institute for the Transformation of Human‐Environmental Systems Humboldt‐Universität zu Berlin Berlin Germany
5. Division of Integrative Fisheries Management Department of Crop and Animal Sciences Faculty of Life Science Humboldt‐Universität zu Berlin Berlin Germany