1. Great Lakes Institute for Environmental Research University of Windsor 401 Sunset Avenue Windsor ON N9B 3P4 Canada
2. Australian Institute of Marine Science PMB No.3 Townsville MC Townsville QLD 4810 Australia
3. KwaZulu‐Natal Sharks Board Private Bag 2, Umhlanga Rocks 4320 KwaZulu‐Natal South Africa
4. Biomedical Resource Unit University of KwaZulu‐Natal Private Bag X54001 Durban 4056 South Africa
5. Oceanographic Research Institute PO Box 10712 Marine Parade Durban 4056 South Africa