Audrey Marguin, Ecoseas Laboratoire, Université de Nice Sophia Antipolis, ECOSEAS, Nice, France, Francesca Rossi, Stazione Zoologica Anton Dohrn, Department of Integrative Marine Ecology, Genoa Marine Centre, Genoa, Italy, Laury Açaf, Station zoologique de Villefranche sur Mer, IMEV, UMR 7093, IMEV, Villefranche-sur-Mer, France, Tatiana Theodoropoulou, CNRS, Cultures, Environnements, Préhistoire, Antiquité, Moyen Âge (CEPAM, UMR 7264), CEPAM, Nice, France, Aymeric Vignier, CNRS, Cultures, Environnements, Préhistoire, Antiquité, Moyen Âge (CEPAM, UMR 7264), CEPAM, CEPAM, Nice, France and Matthew McCarthy, University of California Santa Cruz, Ocean Sciences Department, Santa Cruz, United States