A one-day workshop hosted by the Centre for Sustainable Aquaculture Futures, University of Exeter to consider the role of aquaculture in future food from water and potential for delivery of national, regional and global One Health objectives relating to sustainable aquatic food supply. Science and evidence specialists from the Centre for Environment, Fisheries and Aquaculture Science (Cefas) and the University of Exeter, policy leads from across the Defra Systems, and colleagues from the Defra Chief Scientific Advisors Office were invited to attend.