Following is a transcript of the video. Narrator: If there's one thing you know about puffer fish, it's that they can do this. When aggravated by a predator, they, you know, puff up. Some puffers, ...

Pufferfish are among the most unique fish in the sea—and sometimes in freshwater too! As their name suggests, pufferfish can inflate like a balloon, transforming from a seemingly ordinary fish into a ...

James is a published author with multiple pop-history and science books to his name. He specializes in history, space, strange science, and anything out of the ordinary.View full profile James is a ...

Breakthroughs, discoveries, and DIY tips sent six days a week. Terms of Service and Privacy Policy. How does the pufferfish stay inflated? Not by holding its breath ...

Pufferfish can inflate up to three times their normal size by rapidly swallowing water to appear larger and deter predators. Although dramatic, inflation is often a last-resort defense because it ...