The Porcupinefish are morphologically similar to the Pufferfish Family, but not closely related. Wehn threatened, he inhales great mouthfuls of water or air, bloating up to almost twice his vertical height, and raises his spines. These make an uncomfortable mouthful for any predator, and added to that is this fish's neurotoxin, which is many times more potent than cyanide. His lack of a pelvic fin makes him reliant on his pectoral fins for locomotion and he is not a strong swimmer. When inflated, the added buoyancy requires him to swim upside-down. He favours a diet of crustaceans and other invertebrates, which are cracked open with his teeth, fused together into a sort-of bill.
The genuine Pufferfish was dealt with in F, for Fugu.
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