About the Authors

Kevin A. Glover

Kevin.glover@imr.no

Affiliation Section of Population Genetics and Ecology, Institute of Marine Research, Bergen, Norway

María Quintela

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

Vidar Wennevik

Affiliation Section of Population Genetics and Ecology, Institute of Marine Research, Bergen, Norway

François Besnier

Affiliation Section of Population Genetics and Ecology, Institute of Marine Research, Bergen, Norway

Anne G. E. Sørvik

Affiliation Section of Population Genetics and Ecology, Institute of Marine Research, Bergen, Norway

Øystein Skaala

Affiliation Section of Population Genetics and Ecology, Institute of Marine Research, Bergen, Norway

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: kag øs vw. Performed the experiments: kag øs vw ages. Analyzed the data: kag vw mq fb. Contributed reagents/materials/analysis tools: kag vw mq fb ages. Wrote the paper: kag mq vw fb ages øs.