It's made of dozens of tiny folds, kind of like an accordion. These folds are important because when the stomach fills up with water, it can expand without rupturing. And puffer fish expand a lot.

The soft, squishy device was inspired by the puffer fish, which inflates quickly like ... Xinyue Liu, Shoating Lin The device starts as a small pill, swells quickly and deswells again The ...

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 ...

Fish in this family are relatively slow moving, reliant on small fins to power them through the water. This makes them an obvious target for predators. Yet only the toughest species such as tiger ...