1. Institute of Marine Research; PO Box 1870 Nordnes 5817 Bergen Norway
2. Zoology Department; University of Cape Town; Private Bag X3 Rondebosch 7701 Cape Town South Africa
3. Institut de Recherche pour le Développement; UMR EME (IRD-IFREMER-UM2) Avenue Jean Monnet BP 171 34203 Sète Cedex France
4. Institut de Recherche pour le Développement; UMR LEMAR (UBO-CNRS-IRD-IFREMER), BP 70 29280 Plouzané France
5. University of Aberdeen, Oceanlab; Newburgh Aberdeenshire AB41 6AA UK
6. Department of Commerce; Alaska Fisheries Science Center, National Marine Fisheries Service, National Oceanic and Atmospheric Administration; 7600 Sand Point Way N.E. Seattle WA 98115 USA
7. CSIRO Marine and Atmospheric Research; GPO Box 1538 Hobart TAS 7001 Australia
8. Department of Oceanography; University of Cape Town; Private Bag X3 Rondebosch 7701 Cape Town South Africa
9. Centre for Ecological and Evolutionary Synthesis (CEES); Department of Biology, University of Oslo; P.O. Box 1066 Blindern, Oslo Norway
10. Institute of Marine Research, Flødevigen Marine Research Station; 4817 His Norway