If other fish are too big to eat, they'll nip at their fins and stress them out. It's not the puffer's fault. They're just weird, bubble-shaped carnivores. While we're talking about puffer fish ...

The smile of a starry puffer, Arothron stellatus ... With specially modified gill muscles and a lack of ribs, the fish can swell to an almost spherical shape, three or four times their usual size.

To give your balloon the appearance of a puffer fish, cut the tip of the balloon into a fish tail shape. This step adds a fun ...

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 ...

There are over 120 species of puffer fish, and 22 different kinds are approved by the Japanese government for use in restaurants. But one is more prized, and more poisonous, than the others ...