Benjamin Van Heurck, Geobiology group, Department of Biology, University of Antwerp, Antwerp, Belgium, Francesc Montserrat, ARK Rewilding Nederland, Nijmegen, Netherlands, Diana Vasquez Cardenas, University of Antwerp, Antwerp, Belgium, Astrid Hylén, Aix-Marseille Université, CNRS, IRD, INRAE, CEREGE, Aix-en-Provence, France, Matthias Kreuzburg, Leibniz-Institute for Baltic Sea Research, Rostock, Germany, Daniel Frick, University of Kiel, Institute of Geosciences, Kiel, Germany and Filip J R Meysman, Geobiology, Department of Biology, University of Antwerp, Antwerp, Belgium