Ana Delgado, Institut Mediterrani d'Estudis Acançats (IMEDEA-UIB-CSIC), Esporles, Spain, Vincent Combes, IMEDEA (CSIC-UIB), Esporles, Spain and Gotzon Basterretxea, Mediterranean Institute for Advanced Studies (IMEDEA, UIB-CSIC), Marine Ecology, Esporles, Spain