This working paper represents work‐in‐progress of the CBFC project (Community‐based Fish Culture in Seasonal Floodplains and Irrigation Systems), a research project supported by the Challenge Program on Water and Food (CPWF), with the aim of increasing productivity of seasonally occurring water bodies through aquaculture.The project has been implemented in Bangladesh, Cambodia, China, Mali and Vietnam, where technical and institutional options for community based aquaculture have been tested. The project began in 2005 and was completed in March 2010.