Even though the pufferfish contains the neurotoxin called tetrodotoxin , it is eaten as a delicacy in Japan. Each fugu chef must have a special license to make this food. Nevertheless, a few people do get poisoned from eating the pufferfish if it is prepared incorrectly. Tetrodotoxin is found in the liver, skin and eggs of the pufferfish. Tetrodotoxin has also been detected in other animals such as the tropical goby, blue ringed octopus, and some species of crabs, starfish, newts and frogs.
Venomous snakes can be dangerous even after they are dead.
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