26 April 2023, Mecklenburg-Western Pomerania, Stralsund: View of a blue crab lying on a table in the collection of the German Oceanographic Museum. The crab was found in April 2023 on the beach of the Baltic resort Ahlbeck. Completely different from native crabs looked the find of a walker on Usedom. According to an expert, it was the first record of the species in the southern Baltic Sea. She calls it a "sensational find." Photo: Stefan Sauer/dpa Photo: Stefan Sauer/DPA
A Common octopus (Octopus vulgaris) at the AquaDom and Sea Life in Berlin, Germany, 30 January 2014. Former boxing world champion Regina Halmich christend the octopus to open the special exhibition "Oktopus Hoehle" (Octopus Cave) with five different octopus species. Photo: JENS KALAENE/DPA/PIXSELL
A Common octopus (Octopus vulgaris) at the AquaDom and Sea Life in Berlin, Germany, 30 January 2014. Former boxing world champion Regina Halmich christend the octopus to open the special exhibition "Oktopus Hoehle" (Octopus Cave) with five different octopus species. Photo: JENS KALAENE/DPA/PIXSELL
Jens Kalaene/DPA
A Common octopus (Octopus vulgaris) at the AquaDom and Sea Life in Berlin, Germany, 30 January 2014. Former boxing world champion Regina Halmich christend the octopus to open the special exhibition "Oktopus Hoehle" (Octopus Cave) with five different octopus species. Photo: JENS KALAENE/DPA/PIXSELL
