It consists of other commercial species (that may be secondary targets or may become target species if the market develops) and non-commercial species (returned to the sea or landed, in case of a discard ban) as well as incidental catches of vulnerable species, which may include species of commercial value or not, formally declared as “vulnerable” or “species at risk” as a result of natural or, more commonly, anthropogenic pressure, including fishing pressure (Figure 51). Fisheries impact not only target resources (e.g. fish, crustaceans and cephalopods), but also many other species that are relevant to the functioning of the overall ecosystem (Jackson et al.,