I remember how surprised I was, many years ago, when I walked past a Paris street market and saw kippers (smoked herring) for sale. I never thought of them as a French dish. I think of the Isle of Man as the spiritual home of the kipper, and when we lived in NW England we could get them sent by post from a smokehouse in Peel. But even here by the Mediterranean coast in the very South of France, kippers are found occasionally in supermarkets in winter. I bought this one on Saturday at Intermarché and it probably came from a smokehouse in Calais or Boulogne.
Today or tomorrow the Brexit negotiations between the UK and the EU should be finalised after 4 long years. It seems likely that the French fishing industry will be among the many that will lose out. Unbelievably, the humble kipper was a principal reason the British prime minister was angry with the EU. Though he shouldn't have been, because he got his facts wrong (again) https://www.bbc.com/news/uk-49030873 .