**Acknowledgements**

The authors would like to express their sincere gratitude to the following agencies and people who, in one way or another, assisted with this project: The Kenyan National Bureau of Statistics, the Ministry of Fisheries of the Suba district in Kenya, the communities, gatekeepers (chiefs and elders) and local government councils of Mbita, Mfangano Island, and Rusinga Island for their willingness to cooperate in the study.
