Buyers at UK first sale fish auctions have been holding off buying because of the risks of disruption delays linked to a wall of Brexit-related bureacracy.

Since the UK began its new era outside the EU on Jan 1 seafood businesses have roiled by border friction.

Administrative problems, resulting in queues, border refusals, confusion for exporters have been compounded by IT issues in France, while a lack of knowledge and understanding of the required paperwork means some companies are ill prepared for the new checks, which are taking far longer because of mistakes being uncovered.