1. Department of Environmental Affairs; Branch Oceans and Coasts; P.O. Box 52126 Victoria & Alfred Waterfront Cape Town 8000 South Africa
2. Animal Demography Unit; University of Cape Town; Private Bag X3 Cape Town South Africa
3. Marine Research Institute (MA-RE); University of Cape Town; Private Bag X3 Cape Town South Africa
4. Department of Agriculture, Forestry and Fisheries; Fisheries Management; Foretrust Building Foreshore Rogge Bay 8012 Cape Town South Africa
5. South African Environmental Observation Network (SAEON); Egagasini Offshore Node Foretrust Building Martin Hammerschlag Way Foreshore Cape Town South Africa
6. National Marine Information and Research Center; P.O. Box 912 Swakopmund Namibia
7. National Institute for Aquatic Resources; Technical University of Denmark; Jaegersborg Alle 1 DK-2920 Charlottenlund Denmark
8. Instituto Nacional de Investigação Pesqueira; Ministério da Agricultura e Desenvolvimento Rural e Pescas; Angola Ilha de Luanda CP 2601 Luanda Angola
9. Institute of Marine Research; P.O. Box 1870 Nordnes NO-5817 Bergen Norway