porcupine fish

noun

Definition of porcupine fish

: any of several bony fishes (family Diodontidae) that have sharp spines covering the body and inflate themselves into a sphere when threatened especially : a spotted chiefly tropical fish (Diodon hystrix) that is olive to brown above with white below

First Known Use of porcupine fish

1681, in the meaning defined above

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The first known use of porcupine fish was in 1681

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