blowfish
noun
°Any species of fish of the family Tetraodontidae that have the ability to inflate themselves to a globe several times their normal size by swallowing water or air when threatened.
°A delicacy popular in Japan served raw as sushi that may, if improperly prepared, contain deadly levels of neurotoxins.
synonyms: balloonfish, globefish, puffer, pufferfish more» , swellfish, fugu