The present study, covering 2018-2022, evaluated the cetacean interactions with a bottom-set net fishery along the mainland Portuguese Southern coast (Algarve), estimating bycatch, depredation, gear damage and net length influence on Landing per Unit Effort (LPUE). The fishery employed various m & eacute;tiers (gillnets - mesh sizes: < 60, 60-75, 80 and 220 mm; trammel nets - 120 inner and 640 mm outer panels)....