1. National Research Foundation, South African Institute for Aquatic Biodiversity, Makhanda, South Africa
2. Department of Ichthyology and Fisheries Science, Rhodes University, Makhanda, South Africa
3. Afromontane Research Unit, University of the Free State, Qwaqwa Campus, Phuthaditjhaba, South Africa
4. DSI/NRF Research Chair in Inland Fisheries and Freshwater Ecology, South African Institute of Aquatic Biodiversity (SAIAB), Makhanda, South Africa