blowfish

noun2

1. •
   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.

   • Where the waves wish-wash, and the foghorn blows, And the blowfish nibble at your toes - oes - oes, The blowfish nibble at your toes. — 1945
2. •
   A delicacy popular in Japan, consisting of the fish served raw as sushi or perhaps fried. It may, if improperly prepared, contain considerably deadly levels of neurotoxins.

   • Fugu, the blowfish or globefish, offers taste, health and adventure in every bite. — 1981