About the Authors

Kay Lucek

kay.lucek@eawag.ch

Affiliations Aquatic Ecology and Evolution, Institute of Ecology & Evolution, University of Bern, Bern, Switzerland, Department of Fish Ecology and Evolution, Centre for Ecology, Evolution and Biogeochemistry, EAWAG Swiss Federal Institute of Aquatic Science and Technology, Kastanienbaum, Switzerland

Arjun Sivasundar

Affiliations Aquatic Ecology and Evolution, Institute of Ecology & Evolution, University of Bern, Bern, Switzerland, Department of Fish Ecology and Evolution, Centre for Ecology, Evolution and Biogeochemistry, EAWAG Swiss Federal Institute of Aquatic Science and Technology, Kastanienbaum, Switzerland

Ole Seehausen

Affiliations Aquatic Ecology and Evolution, Institute of Ecology & Evolution, University of Bern, Bern, Switzerland, Department of Fish Ecology and Evolution, Centre for Ecology, Evolution and Biogeochemistry, EAWAG Swiss Federal Institute of Aquatic Science and Technology, Kastanienbaum, Switzerland

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: KL AS OS. Performed the experiments: KL. Analyzed the data: KL. Wrote the paper: KL AS OS.