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, like the porcupine fish, become a bona ...

Yet only the toughest species such as tiger sharks, common octopus and sea snakes will take on a puffer thanks to some ... it takes a lot of energy for the fish to inflate, as shown by a five-hour ...

As the vinegar and baking soda react, carbon dioxide gas will be produced, inflating the balloon and giving your puffer fish ...