pufferfish

Definitions

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; puffer, blowfish, swellfish, balloonfish, globefish.
   countable, uncountable
2. The meat of these fish, a delicacy popular in Japan served raw as sushi that may, if improperly prepared, contain deadly levels of neurotoxins; (Japanese) fugu.
   uncountable

Equivalents

Examples

“Recently, however, a scientist in Britain proposed a short cut⟳ that would use⟳ the genome of the fugu, a pufferfish known as a dangerous delicacy among Japanese sushi eaters, to speed⟳ the search⟳ for human genes.”

CEFR level