2026-01-122026-01-122025Faruk Islam, Benoy Barman, Md Nahiduzzaman, Muhammad Rahman, Peerzadi Hossain, Ashoke Sarker, Ann Fleming. (31/12/2025). Country Programs for Impact: WorldFish in Bangladesh.https://hdl.handle.net/20.500.12348/6807WorldFish has been collaborating with the Government of Bangladesh since 1989 to transform aquatic food systems through research, innovation, and capacity building. ​ The organization focuses on sustainable aquaculture and fisheries development, addressing challenges like poverty, malnutrition, climate risks, and youth underemployment. ​ Key initiatives include genetic improvement programs for fish species like GIFT tilapia and rohu, disease diagnostic measures, community-based fisheries management, and climate-smart aquaculture solutions. WorldFish has also contributed to policy development, biodiversity conservation, and the promotion of nutrient-rich small indigenous species (SIS) to enhance food security and livelihoods. Through partnerships and innovative approaches, WorldFish aims to position Bangladesh as a leader in sustainable aquatic food systems, supporting national development goals and the UN Sustainable Development Goals. ​PDFCC-BY-NC-4.0country reportsmall indigenous species (sis)disease diagnostic measuresBrief