The pufferfish caught in a net in this fascinating YouTube clip gives a perfect demonstration of how they ‘puff’ their bodies up. One moment it looks like a regular fish, and the next it resembles a ...

Pufferfish are well-known for their ability to “puff up” into a round, sometimes spiky ball. Some people also know them for the poison their bodies hold. These unique fish are usually found in shallow ...

Pufferfish generally share basic characteristics, including their signature defense of puffing up like a ball when threatened. Many of the species also share spines that cover their body and ...