Growing scientific consensus on crustacean sentience is driving regulatory changes in how lobsters, crabs, and shrimp are handled and killed in food production.
The regulatory recognition of crustacean sentience in multiple jurisdictions represents one of the most significant expansions of animal welfare consideration in recent years. The evidence base is now strong enough that treating decapod crustaceans as if they cannot suffer is no longer scientifically defensible. The welfare stakes are enormous given the scale of crustacean consumption: if lobsters, crabs, and shrimp have meaningful pain experiences, their current treatment in food systems represents welfare harm on a massive scale. Regulation is advancing faster in some jurisdictions than others, creating consumer-facing decisions about where and how to source crustacean products.