If scallops are not hand-dived they are dredged, which involves long metal spikes being dragged across the seabed. Half the life on the seabed goes when a scallop dredge first passes, and the other marine life the dredger catches is destroyed or thrown away.
Dredged scallops from Shetland
These have been deemed sustainable by The Marine Stewardship Council, as dredging is more acceptable in areas where the seafloor is ploughed up by natural tides and little more than sand and gravel.
DID YOU KNOW?
Farmed fish and shellfish now accounts for over 50% of consumed seafood.