Squid, cuttlefish, and octopuses demonstrate sophisticated behavior and clear pain responses, driving rapid advances in cephalopod welfare science and policy.
Cephalopod welfare science has advanced dramatically in the past decade. Research documenting pain responses, emotional states, and complex cognition has shifted expert consensus toward treating cephalopods as sentient beings deserving welfare protection. Despite this, most countries still lack cephalopod welfare protections in food production contexts. Humane killing methods, slaughter before cooking live, and anesthesia protocols for research are being developed as the science advances. The expanding recognition of cephalopod sentience is a model case for how welfare science drives policy evolution.