[1] Univ Hawaii Manoa, Hawaii Inst Marine Biol, Kaneohe, HI 96822 USA
[2] Univ St Andrews, Scottish Oceans Inst, Ctr Biol Divers, St Andrews, Scotland
[3] Univ Lisbon, Guia Marine Lab, MARE, Cascais, Portugal
[4] Norwegian Univ Sci & Technol, Dept Marine Technol, Trondheim, Norway
[5] Univ Sydney, Australian Ctr Field Robot, Sydney, NSW, Australia
[6] Justus Liebig Univ Giessen, Dept Anim Ecol & Systemat, Giessen, Germany