In bony fish the swim bladder primarily serves for buoyancy. Moreover, in many species it also possesses acoustic functions: it plays a role in sound production and improves hearing in numerous ways.

See more of our trusted coverage when you search. Prefer Newsweek on Google to see more of our trusted coverage when you search. There are three important things to know about the swim bladder of a ...

Hydrogels, which are soft materials formed by crosslinking polymers, could have a variety of medical applications. In research published in Advanced Science, investigators developed an injectable ...

Swim bladder disease makes it impossible for a fish to stay buoyant, but some ingenuity and a few aquarium supplies make for a fin-tastic solution. CNET editor Gael Fashingbauer Cooper, a journalist ...

When saltwater fish long ago evolved to live in fresh water, many of them also evolved a more sophisticated hearing system, including middle ear bones similar to those in humans. The Kennebec River in ...

A disabled fish in Sweden got a homemade "custom wheelchair" from its owner after it had trouble staying afloat. Its owner said the fish was stuck at the bottom of the tank because its swim bladder ...

Dried swim bladders of totoabas (also called “maw”) have been dubbed “aquatic cocaine” due to the high prices they fetch mainly in Chinese markets. Illegal trade in the swim bladder of the totoabas, ...

"Sound vibrations are transmitted to the inner ear via anterior extensions of the swim bladder or via bony ossicles", the biologist Tanja Schulz-Mirbach explains how swim bladders may serve for ...