The Flemish fishing industry practices a mixed fishery with fishing methods that are still too low selectivity. Under the new Common Fisheries Policy will be above some of what now goes back bycatch overboard must be landed. This will in the future create a significant restroom. Hence the need to valorize as good as possible these residues. The fish processing industry is with residuals to be valued in a similar way. In this project, the expertise brought together five research groups, in consultation with the fishing and fish processing industry, to optimize the chances for recovery of waste streams.