1. School of Life Sciences, University of KwaZulu-Natal, Durban, South Africa
2. Sea Search Research and Conservation NPC, Cape Town, South Africa
3. Dolphin Encountours Research Center, Ponta do Ouro, Mozambique
4. School of the Environment, Geography and Geosciences, University of Portsmouth, Portsmouth, UK
5. Department of Botany and Zoology, Faculty of Science, Stellenbosch University, Stellenbosch, South Africa