Puffer Fish Goes Into Defense Mode
uberrobot
Published
02/27/2016
Nearly all pufferfish contain tetrodotoxin, a substance that makes them taste bad (and sometimes lethal) to fish. According to National Geographic, tetrodotoxin is deadly, up to 1,200 times more poisonous than cyanide. One pufferfish has enough toxin to kill 30 adults.
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