This is an Inception Report for the research project entitled Community-Based Fish Culture in Irrigation Systems and Seasonal Floodplains. The first part covers the basic action research framework of the project and includes the significance of the undertaking, its goals and objectives, the relevance to the CPWF program, and the expected outputs of the project. The second part presents the operational and implementation aspects of the project. It describes in detail the three-phase cycle of the project, starting with the inception phase where all the relevant resources and plans are made available for the project to succeed. The report ends with a brief presentation on how the project intends to make its impact sustainable.