Octopuses, squid, and cuttlefish are among the most cognitively sophisticated invertebrates. Scientific consensus on their capacity for pain and suffering has shifted significantly, with major welfare implications for research and food industries.
Cephalopods present a compelling case for extending meaningful welfare protections beyond vertebrates. Their neurological complexity, behavioural flexibility, and capacity for pain-like responses suggest a rich subjective experience. The rapid expansion of octopus aquaculture proposals — particularly in Spain — raises urgent questions about whether welfare standards can be met in intensive systems for animals that may be fundamentally unsuited to captive farming.