[pawr-kyuh-pahyn-fish] 
) -fish, (especially referring to two or more kinds or species) -fish⋅es. | any of several fishes of the family Diodontidae, esp. 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. |
| porcupinefish | |
noun | |
| spines become erect when the body is inflated; worldwide in warm waters |