Last Updated
：2025/11/29
porcupine fish
（ plural ）
（ plural ）
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Any of several tropical fish species in the family Diodontidae that are covered with sharp spines and inflate themselves when threatened.
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porcupine fish
A porcupine fish inflated itself when the diver approached, its spines standing erect like tiny spears.
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A porcupine fish inflated itself when the diver approached, its spines standing erect like tiny spears.
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