1. University of Zimbabwe, Department of Biological Sciences, Mount Pleasant, Harare
2. University Lake Kariba Research Station, Kariba, Zimbabwe
3. Current address: DSI/NRF Research Chair in Inland Fisheries and Freshwater Ecology, South African Institute for Aquatic Biodiversity (SAIAB), Makhanda, South Africa
4. Current address: Department of Ichthyology and Fisheries Science, Rhodes University, Makhanda, South Africa
5. Zimbabwe Parks and Wildlife Management, Harare, Zimbabwe