1. Cecilia Comprehensive Secondary School, Hawassa, Ethiopia
2. Department of Biology, Hawassa University, P.O. Box 5, Hawassa, Ethiopia
3. Department of Aquaculture and Fishery Technology, Hawassa University, P.O. Box 05, Hawassa, Ethiopia
4. Ethiopian Biodiversity Institute, P.O. Box 30726, Addis Ababa, Ethiopia