And that's a good thing, because otherwise they'd get in the way of inflation. In fact, according to Brainerd, if it weren't for these missing bones, puffer fish would probably have never evolved ...

Traveling, let alone venturing out into the open ocean to search for an elusive inflating fish, was impossible. In the end, she obtained whole pygmy leatherjacket specimens from the Australian Museum ...

As the vinegar and baking soda react, carbon dioxide gas will be produced, inflating the balloon and giving your puffer fish ...