Almost all pufferfish contain tetrodotoxin, a substance that makes them foul tasting and often lethal to fish. To humans, tetrodotoxin is deadly, up to 1,200 times more poisonous than cyanide. There is enough toxin in one pufferfish to kill 30 adult humans, and there is no known antidote.

Can you die from eating blowfish?

Blowfish, also known as the dish fugu, is an expensive winter delicacy that requires a special license to prepare because, if handled incorrectly, it can kill the person eating it. ... Paralysis follows, and then a painful death by asphyxiation. There is no known antidote.

What are the chances of dying from eating puffer fish?

The fatality rate (the percentage of patients who die) of pufferfish poisoning is extremely high in comparison with other forms of food poisoning. The fatality rate for food poisoning due to pufferfish for the last 10 years (from 2006 to 2015) is 2.8%.