Flagship umbrella species needed for the conservation of overlooked aquatic biodiversity.

Gregor Kalinkat, ∗ Juliano S. Cabral, William Darwall, G. Francesco Ficetola, Judith L. Fisher, Darren P. Giling, Marie-Pierre Gosselin, Hans-Peter Grossart, Sonja C. Jähnig, Jonathan M. Jeschke, Klaus Knopf, Stefano Larsen, Gabriela Onandia, Marlene Pätzig, Wolf-Christian Saul, Gabriel Singer, Erik Sperfeld, and Ivan Jarić Leibniz-Institute of Freshwater Ecology and Inland Fisheries (IGB), Müggelseedamm 310, 12587 Berlin, Germany Department of Fish Ecology and Evolution, Swiss Federal Institute of Aquatic Science and Technology (Eawag), Seestrasse 79, 6047 Kastanienbaum, Switzerland Synthesis Centre of the German Centre for Integrative Biodiversity Research (iDiv) Halle-Jena-Leipzig, Deutscher Platz 5e, 04103 Leipzig, Germany Ecosystem Modeling, Center for Computational and Theoretical Biology, University of Würzburg, Am Hubland Nord 32, 97074 Würzburg, Germany Global Species Programme, International Union for Conservation of Nature (IUCN), The David Attenborough Building, Pembroke Street, Cambridge CB2 3QZ, U.K. Laboratoire d’Ecologie Alpine (LECA), Université Grenoble-Alpes, Grenoble, 38000 France CNRS, LECA, Grenoble, 38000 France Dipartimento di Bioscienze, Università degli Studi di Milano, Via Celoria 26, 20133 Milano, Italy University of Western Australia, Crawley Western Australia 6009, and IUCN CEM Chair Ecosystems and Invasive Species, Western Australian Museum, Perth, Western Australia, 6000, Australia Institute of Biology, Leipzig University, Johannisallee 21, 04103 Leipzig, Germany Uni Research Miljø LFI, Nygårdsgaten 112, 5006 Bergen, Norway Institute of Biochemistry and Biology, Potsdam University, Maulbeerallee 2, 14469 Potsdam, Germany Institute of Biology, Department of Biology, Chemistry, Pharmacy, Freie Universität Berlin, Königin-Luise-Str. 1–3, 14195 Berlin, Germany Berlin-Brandenburg Institute of Advanced Biodiversity Research (BBIB), Altensteinstr. 34, 14195 Berlin, Germany Leibniz Centre for Agricultural Landscape Research (ZALF), Institute of Landscape Hydrology, Eberswalder Str. 84, 15374 Müncheberg, Germany Centre for Ecological and Evolutionary Synthesis (CEES), Department of Biosciences, University of Oslo, P.O. Box 1066 Blindern, N-0316 Oslo, Norway Institute for Multidisciplinary Research, University of Belgrade, KnezaViseslava 1, 11000 Belgrade, Serbia