There is a fishery with 78 percent bycatch (i.e. caught fish being thrown overboard) despite the existence of fishing gear that can avoid much of this bycatch; where the catch is sent to Morocco to be processed before being sold on the European market; where two companies dominate 80 percent of the market.
Answer: The North Sea brown shrimp fishery.
Read all about it in the new special report on the North Sea brown shrimp fisheries ordered by the Fisheries Committee and released Wednesday in the European Parliament.
Another study was presented at the same time: Industrial fisheries in the Baltic Sea