The previous page is sending you to https://www.alamy.com/31-may-2021-baden-wuerttemberg-rheinstetten-biology-professor-andreas-martens-from-the-karlsruhe-university-of-education-ph-is-standing-by-a-pond-called-milk-coffee-and-holding-a-live-calico-crayfish-in-the-meantime-the-crayfish-has-almost-been-driven-out-of-the-pond-the-introduced-calico-crayfish-have-become-a-threat-to-water-bodies-in-the-southwest-as-far-as-the-palatinate-and-hesse-however-it-is-possible-to-save-dying-ponds-and-pools-and-displace-the-crayfish-this-has-been-shown-by-a-karlsruhe-research-project-to-dpa-life-in-the-pond-again-measures-against-potash-crayfish-image431067423.html.

 If you do not want to visit that page, you can return to the previous page.