Catarina Guerreiro^1,2, Alessia Finini³, Afonso Ferreira¹, Federico Malavolta³, Lluisa Cros⁴, Alex R Baker⁵, Jan-Berend Stuut⁶, Andreia Tracana^1,7, Vera Veloso¹, Andrew Paul Rees⁸, Mário Cachão² and Vanda Brotas¹, (1)MARE – Marine and Environmental Sciences Centre/ARNET - Aquatic Research Network, FCUL - Faculdade de Ciências, Universidade de Lisboa, Campo Grande, 1749-016 Lisboa, Portugal, Lisbon, Portugal, (2)Instituto Dom Luiz (IDL), Faculty of Sciences, University of Lisbon, Lisbon, Portugal, (3)University of Milan - Bicocca, Milan, Italy, (4)Institut de Ciencies del Mar (CSIC), Barcelona, Spain, (5)University of East Anglia, Norwich, United Kingdom, (6)NIOZ - Royal Netherlands Institute for Sea Research, Texel, Netherlands, (7)Fundação Da Faculdade de Ciências da Universidade de Lisboa, Lisboa, Portugal, (8)Plymouth Marine Laboratory, Plymouth, United Kingdom