Did you know there’s a fish that doesn’t have a stomach? In this fascinating video, explore how this incredible species ...

Does this mean that for an animal to be able to use its stomach to inflate, they need to lose their capacity to digest with it?” Ferreira suspected it did. For starters, it would certainly seem ...

These folds are important because when the stomach fills up with water, it can expand without rupturing. And puffer fish expand a lot. Up to three times their size. That's like if an average human ...