Red mud puffer soup! The toxicity of puffer fish is rare in the world, far above sodium cyanide. The stability of puffer poison is also a must, cooking, drying, staining can not be destroyed, and there is no antidote. Compared with Japan's tendency to use technology for safety, domestically, it is more used to breed puffer dolphins (although small intoxicity, fresh taste is not as wild). The advantage is that puffer fish liver can finally be tasted.