About the Authors

Yann Tremblay

yann.tremblay@ird.fr

Current address: Depredadores marinos, Instituto del mar del Peru, Chucuito – Callao, Peru

Affiliation Centre de Recherche Halieutique Méditerrannéenne et Tropicale, Institut pour la Recherche et le Développement, Unité Mixte de Recherche 212: IRD-IFREMER-UM2 : Expoited Marine Ecosystems, Sète, France

Andréa Thiebault

Affiliation Centre de Recherche Halieutique Méditerrannéenne et Tropicale, Institut pour la Recherche et le Développement, Unité Mixte de Recherche 212: IRD-IFREMER-UM2 : Expoited Marine Ecosystems, Sète, France

Ralf Mullers

Affiliation Percy FitzPatrick Institute and DST/NRF Centre of Excellence, University of Cape Town, Cape Town, South Africa

Pierre Pistorius

Affiliation DST/NRF Centre of Excellence at the Percy FitzPatrick Institute for African Ornithology, Department of Zoology, Nelson Mandela Metropolitan University, South Campus, Port Elizabeth, South Africa

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: YT PP. Performed the experiments: AT RM PP. Analyzed the data: YT AT. Contributed reagents/materials/analysis tools: YT. Wrote the paper: YT.