Aquaculture

Giant Tiger Prawn Welfare: Deep Dive into Asian Aquaculture

Comprehensive welfare analysis for Penaeus monodon -- one of the most farmed shrimp species globally.

Key Facts

Giant tiger prawns are the second most farmed shrimp species globally
Production centres in Thailand, Indonesia, Vietnam, India, and Bangladesh involve millions of tonnes annually
Welfare science on decapod crustaceans has advanced rapidly -- evidence of nociception is substantial
The UK Sentience Act 2022 extended welfare protections to decapod crustaceans based on this evidence
High stocking density causes oxygen depletion, ammonia accumulation, and physiological stress
Disease including white spot syndrome and EMS causes mass mortality and suffering
Slaughter by boiling alive is the most common method and is strongly disputed on welfare grounds
Cold stunning or chilling before killing is more humane but requires equipment investment

Welfare Significance

Giant tiger prawn welfare spans both individual animal suffering and systemic production challenges. The evidence that prawns experience pain and stress is now sufficient to warrant serious welfare consideration. Boiling live prawns affects billions of animals annually. Humane pre-slaughter stunning should be standard practice.

What You Can Do

Choose prawn products certified to standards that include humane slaughter provisions
Advocate for cold stunning or electrical stunning requirements in prawn aquaculture
Support the Shrimp Welfare Project and research into decapod welfare
Reduce overall prawn consumption or choose higher-welfare alternatives