The work of the Consultative Group on International Agricultural Research (CGIAR) provides a scientific basis for sustainable development. As one of 15 CGIAR research institutes, the WorldFish Center provides expertise on fisheries and aquaculture that helps the CGIAR achieve its mission of reducing hunger and poverty while protecting natural ecosystems on which continued progress depends. This document describes ways in which WorldFish supports the CGIAR’s research priorities, which were recently modified to bring them more in line with international efforts aimed at achieving the Millennium Development Goals.