swallowing a puffed-up puffer covered in sharp spines is no walk in the park. Basically, if you're trying to take a puffer fish down, you're going down with them. Many aquatic animals try to prey ...

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 ...