1. Department of Environmental Sciences, Machakos University, Machakos, Kenya
2. Department of Biological Sciences, Machakos University, Machakos, Kenya
3. Kenya Marine and Fisheries Research Institute, National Aquaculture Research Development & Training Centre, Sagana, Kenya
4. Sidai Africa Ltd, Nairobi, Kenya
5. Institute of Aquaculture, University of Stirling, Scotland, UK