Octopuses, cuttlefish, and squid demonstrate remarkable problem-solving abilities, camouflage sophistication, and behavioral flexibility that inform welfare considerations for both wild and laboratory populations.
Cephalopod welfare is supported by cognitive evidence that reveals capacities previously assumed unique to vertebrates. Animals capable of face recognition, problem-solving, play-like behavior, and apparently emotional responses to objects and situations experience welfare states that matter morally. In laboratory settings, cephalopods used in research benefit from enrichment (structures to explore, problems to solve), appropriate social arrangements, and humane endpoints. Wild cephalopods face anthropogenic welfare threats including bycatch (octopuses are common bycatch in trawling), temperature stress from warming oceans, and pollution. The regulatory recognition of cephalopod sentience in the UK represents a model other jurisdictions should follow.