porcupine fish

porcupinefish

[pawr-kyuh-pahyn-fish]
noun, plural (especially collectively) porcupinefish (especially referring to two or more kinds or species) porcupinefishes.
any of several fishes of the family Diodontidae, especially Diodon hystrix, of tropical seas, capable of inflating the body with water or air until it resembles a globe, with erection of the long spines covering the skin.

Origin:
1675–85; porcupine + fish

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World English Dictionary
porcupine fish
 
n
Also called: globefish any of various plectognath fishes of the genus Diodon and related genera, of temperate and tropical seas, having a body that is covered with sharp spines and can be inflated into a globe: family Diodontidae

Collins English Dictionary - Complete & Unabridged 10th Edition
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Encyclopedia Britannica
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porcupine fish

any of the spiny, shallow-water fishes of the family Diodontidae, found in seas around the world, especially the species Diodon hystrix. They are related to the puffers and, like them, can inflate their bodies when provoked.

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Encyclopedia Britannica, 2008. Encyclopedia Britannica Online.
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