Pufferfish vs. Blowfish — What's the Difference?

Any of various prickly, often poisonous, chiefly marine fishes of the family Tetraodontidae that have a beaklike mouth and puff themselves up when threatened, by swallowing water or air. Also called blowfish, puffer.

See pufferfish.

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.

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; (Japanese) fugu.

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.

A fish eaten as a delicacy, especially in Japan. It is highly dangerous because of a potent nerve poison (tetrodotoxin) in its ovaries and liver. Chefs require special training to learn how to remove the poisonous parts, and in Japan they must be licensed.

Any of numerous marine fishes of the family Tetraodontidae whose elongated spiny body can inflate itself with water or air to form a globe; several species contain tetrodotoxin, a potent nerve poison; they are closely related to spiny puffers.

Delicacy that is highly dangerous because of a potent nerve poison in ovaries and liver

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