Seals and sea lions that interact with fishing operations face shooting, entanglement, and displacement — raising welfare concerns in fisheries management internationally.
Seals and sea lions experience the full range of pain and distress responses. Shooting as pest control causes suffering when non-lethal shots occur. Entanglement in fishing nets causes drowning and flipper injuries. Acoustic harassment devices cause distress. Welfare-conscious fisheries management requires prioritizing non-lethal deterrents and minimizing incidental mortality in line with marine mammal protection principles.