Difference between Pufferfish and Blowfish

What is the difference between Pufferfish and Blowfish?

Pufferfish as a noun is 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. while Blowfish as a noun is 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.

We hope you now know whether to use Pufferfish or Blowfish in your sentence.