GLOBEFISH
puffer, pufferfish, blowfish, globefish
(noun) any of numerous marine fishes whose elongated spiny body can inflate itself with water or air to form a globe; several species contain a potent nerve poison; closely related to spiny puffers
Source: WordNet® 3.1
Etymology
Noun
globefish (plural globefishes or globefish)
Any of many marine fish in the family Tetraodontidae, especially the puffer or sunfish, that can inflate itself to form a globe.
Source: Wiktionary
Globe"fish`, n. (Zoöl.)
Definition: A plectognath fish of the genera Diodon, Tetrodon, and allied
genera. The globefishes can suck in water or air and distend the body
to a more or less globular form. Called also porcupine fish, and sea
hedgehog. See Diodon.
Source: Webster’s Unabridged Dictionary 1913 Edition