[1] Univ Hawaii Manoa, Hawaii Inst Marine Biol, Honolulu, HI USA
[2] Fdn Oceanograf Comun Valenciana, Valencia, Spain
[3] Kolmarden Wildlife Pk, Kolmarden, Sweden
[4] Global Diving Res SL, Valencia, Spain
[5] Norwegian Univ Sci & Technol, Dept Engn Cybernet, Trondheim, Norway
[6] Univ Autonoma Barcelona, Sch Vet Sci, Barcelona, Spain