Christian Lønborg¹, Anna Elizabeth Løvgren Graversen², Anna M Addamo³, Jorge Assis⁴, Michael T Burrows⁵, Eleanor Stewart⁶, Helen Lillis⁷, Mark J. Costello³ and Dorte Krause-Jensen⁸, (1)Aarhus University, Roskilde, Denmark, (2)Aarhus University, Aarhus, Denmark, (3)Nord University, Bodø, Norway, (4)Universidade do Algarve, Faro, Portugal, (5)Scottish Association for Marine Science, Oban, United Kingdom, (6)Joint Nature Conservation Committee, Peterborough, United Kingdom, (7)Joint Nature Conservation Committee, Peterborough, United States, (8)Aarhus University, Aarhus C, Denmark