Growing scientific evidence for crustacean sentience has prompted welfare reforms in some jurisdictions. The EU recognition of lobster and crab sentience in 2021 marked a turning point in regulatory frameworks.
Crustacean welfare is a rapidly evolving field where scientific evidence has outpaced regulatory frameworks in most countries. The behavioral evidence that decapod crustaceans avoid painful stimuli, learn from negative experiences, and show evidence of affective states is now sufficient to warrant the precautionary principle. Live boiling — the standard culinary practice — exposes animals to extreme heat for minutes before death; electrical stunning renders them unconscious in under a second. Consumer-facing chefs and fishmongers can significantly reduce crustacean suffering by adopting electrical stunning before cooking. Regulatory requirements — as now apply in Switzerland, New Zealand, and Norway for some species — provide the most reliable mechanism for industry-wide adoption. The welfare improvement available through stunning is straightforward and inexpensive.