1 CESAM - Centre for Environmental and Marine Studies, Departament of Biology, University of Aveiro, Campus Universitário de Santiago, 3810-193, Aveiro, Portugal.
2 ECOMARE, CESAM - Centre for Environmental and Marine Studies, Departament of Biology, University of Aveiro, Campus Universitário de Santiago, 3810-193, Aveiro, Portugal.
3 ECOMARE, CESAM - Centre for Environmental and Marine Studies, Departament of Biology, University of Aveiro, Campus Universitário de Santiago, 3810-193, Aveiro, Portugal. lillebo@ua.pt.
4 ECOMARE, CESAM - Centre for Environmental and Marine Studies, Departament of Biology, University of Aveiro, Campus Universitário de Santiago, 3810-193, Aveiro, Portugal. rjcalado@ua.pt.