Damien Desbruyères, LOPS (IFREMER, CNRS, IRD, IUEM), Brest, France, Herle Mercier, IFREMER/CNRS/LOPS, Brest, France, Gregory C Johnson, Pacific Marine Environmental Laboratory, Seattle, United States, Virginie Thierry, IFREMER/LOPS, Plouzané, France and Kjell Arne Mork, Institute of Marine Research Bergen, Bergen, Norway