Clara Ruiz-González, Institut de Ciències del Mar, Barcelona, Spain, Mireia Mestre, Universidad Austral de Chile, Barcelona, Spain, Marta Estrada, Institut de Ciències del Mar, CSIC, Barcelona, Spain, Marta Sebastián, Instituto de Oceanografía y Cambio Global, IOCAG, Universidad de Las Palmas de Gran Canaria (ULPGC), Spain, Las Palmas de Gran Canaria, Spain, Guillem Salazar, ICM-CSIC, Barcelona, Spain, Susana Agustí, King Abdullah University of Science and Technology, Red Sea Research Center, Thuwal-Jeddah 23955-6900, Saudi Arabia, Enrique Moreno, University of Málaga, Málaga, Spain, Carlos M Duarte, King Abdullah University of Science and Technology, Red Sea Research Center, Thuwal, Saudi Arabia, M. Montserrat Sala, Institute of Marine Sciences (ICM, CSIC), Barcelona, Spain and Josep M. Gasol, Institut de Ciències del Mar, CSIC, Catalonia, Spain