“…Sustainability labelling is a market-based instrument promoting sustainable fisheries [ 24 , 25 ], considered an incentive for a responsible management of fisheries [ 26 , 27 ] as it decreases the information gap between producers and consumers [ 28 ]. Specifically, eco-labels are becoming an important attribute of fish choice, and preferences over eco-labelled seafood products have been studied for wild [ 20 , 29 , 30 , 31 , 32 , 33 , 34 , 35 , 36 , 37 , 38 , 39 , 40 ] and farmed species [ 20 , 41 , 42 , 43 , 44 ]. Other authors showed that most consumers associate sustainability labels on food products with aspects of environmental protection rather than ethical issues [ 4 ]; this also translates to a lower willingness to pay (WTP) for social benefits of sustainability rather than for ecological benefits [ 45 ].…”