About the Authors

Catherine M. McClellan

c.mcclellan@exeter.ac.uk

Affiliation Centre for Ecology and Conservation, University of Exeter, Penryn, Cornwall, United Kingdom

Tom Brereton

Affiliation Marinelife, Bridport, Dorset, United Kingdom

Florence Dell'Amico

Affiliation Centre d'Études et de Soins pour les Tortues Marines, Aquarium La Rochelle, La Rochelle, France

David G. Johns

Affiliation Sir Alister Hardy Foundation for Ocean Science, Plymouth, United Kingdom

Anna-C. Cucknell

Affiliation International Fund for Animal Welfare and Marine Conservation Research International, Kelvedon, Essex, United Kingdom

Samantha C. Patrick

Affiliation Biosciences, University of Gloucestershire, Cheltenham, Gloucestershire, United Kingdom

Rod Penrose

Affiliation Marine Environmental Monitoring, Llechryd, Ceredigion, United Kingdom

Vincent Ridoux

Affiliation Observatoire PELAGIS, Université de La Rochelle-CNRS, La Rochelle, France

Jean-Luc Solandt

Affiliation Marine Conservation Society, Ross on Wye, Herefordshire, United Kingdom

Eric Stephan

Affiliation Association Pour l'Etude et la Conservation des Sélaciens, Brest, France

Stephen C. Votier

Affiliation Environment and Sustainability Institute, University of Exeter, Penryn, Cornwall, United Kingdom

Ruth Williams

Affiliation Cornwall Wildlife Trust, Truro, Cornwall, United Kingdom

Brendan J. Godley

Affiliation Centre for Ecology and Conservation, University of Exeter, Penryn, Cornwall, United Kingdom

Competing Interests

Florence Dell'Amico works for the La Rochelle Aquarium, which is a private institution regarded as “commercial”. Co-author Dr. Stephen Votier has served as a PLOS ONE Editorial Board member. This does not alter the authors' adherence to all the PLOS ONE policies on sharing data and materials.

Author Contributions

Conceived and designed the experiments: CMM. Performed the experiments: CMM. Analyzed the data: CMM TB SCP. Contributed reagents/materials/analysis tools: TB FD DGJ ACC RP VR JLS ES RW BJG. Wrote the paper: CMM TB SCV BJG.