Their families include Tetraodontidae (the 'true' puffers) and the Diodontidae (technically porcupinefishes and also including burrfishes). There’s also a related family, the Triodontidae, comprising ...

They all look a bit different but have the same puffing-up capability. Diodontidae family blowfish, often called porcupine fish or balloonfish, also puff themselves up with water. The main difference ...