A “Rollmops” is a dish invented in the first half of the 19th century. It was named after the dog rase “Pug” since its form reminds of the interesting little dog body. I always thought that the dish came from Hamburg, but it is actually invented in Berlin.
——————————
Picture of Mücke, here wearing a classic 19th century bathing suit. Ahlbeck, Usedom.