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If it doesn't get you the army of zombies I am creating with its tetrodotoxin will.

Those bits contain tetrodotoxin, which can kill an adult in hours and for which there is no known antidote.

The fish is a treasured national delicacy but was historically forbidden to emperors because its liver is suffused with the poison tetrodotoxin.

Their soft bodies are chemical factories; they produce small amounts of a substance called tetrodotoxin to immobilize prey.

Their saliva contains tetrodotoxin, a powerful nerve toxin that causes respiratory failure.