About the Authors

María Quintela

m.quintelas@udc.es

Affiliations Dept of Animal Biology, Plant Biology and Ecology, Faculty of Science, University of A Coruña, A Coruña, Spain, Animal Ecology, Department of Ecology and Genetics, Evolutionary Biology Centre, Uppsala University, Uppsala, Sweden

Magnus P. Johansson

Affiliation Animal Ecology, Department of Ecology and Genetics, Evolutionary Biology Centre, Uppsala University, Uppsala, Sweden

Bjarni K. Kristjánsson

Affiliation Hólar University College, Department of Aquaculture and Fish Biology, Sauðarkrokur, Iceland

Rodolfo Barreiro

Affiliation Dept of Animal Biology, Plant Biology and Ecology, Faculty of Science, University of A Coruña, A Coruña, Spain

Anssi Laurila

Affiliation Animal Ecology, Department of Ecology and Genetics, Evolutionary Biology Centre, Uppsala University, Uppsala, Sweden

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: AL BKK. Performed the experiments: AL BKK MQ. Analyzed the data: MQ. Contributed reagents/materials/analysis tools: AL RB. Contributed to the writing of the manuscript: MQ MPJ BKK RB AL.