Dictionary

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
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First Known Use of PORCUPINE FISH

1681

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