About the Authors

Henri Weimerskirch

henriw@cebc.cnrs.fr

Affiliation Centre d'Etudes Biologiques de Chizé, Centre National de la Recherche Scientifique, Villiers en Bois, France

Sophie Bertrand

Affiliations Centre de Recherche Halieuthique, Institut de Recherche pour le Développement, Sète, France, Direccion de Recursos Pelagicos, Instituto del Mar del Perú, Callao, Peru

Jaime Silva

Affiliation Direccion de Recursos Pelagicos, Instituto del Mar del Perú, Callao, Peru

Jose Carlos Marques

Affiliation Direccion de Recursos Pelagicos, Instituto del Mar del Perú, Callao, Peru

Elisa Goya

Affiliation Direccion de Recursos Pelagicos, Instituto del Mar del Perú, Callao, Peru

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: HW. Performed the experiments: HW SB JS JCM. Analyzed the data: HW. Contributed reagents/materials/analysis tools: HW JS EG. Wrote the paper: HW SB.