1. Department of Animal Ecology and Systematics, Justus Liebig University Giessen, Heinrich-Buff-Ring 26 (IFZ), Giessen, 35390 Germany
2. International Foundation for Environment and Nature, Global Nature Fund (GNF), Radolfzell, Germany
3. Muséum d’Histoire Naturelle de Marrakech, Laboratoire Hydrobiologie, Ecotoxicologie, Assainissement et Changements globaux, Université Cadi Ayyad, Marrakech, Morocco
4. Department of Biology, College of Science, Bahir Dar University, Bahir Dar, Ethiopia
5. Department of Biology, Mbarara University of Science and Technology, Mbarara, Uganda