GAIN project with support from H2020 projects PerformFISH, AquaIMPACT, MEDAID, AQUAVITAE, NewTechAqua; and project SUSHIN (Italy), is organizing an Workshop to present and discuss novel developments of knowledge on novel fish feeds that support eco-intensification of the European aquaculture industry, providing training to aquafeed value chain professionals and researchers on this topic, including aspects of value creation and sustainable use of by-products and side streams from aquaculture, fisheries and agro-industries.