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 ...

Recent investigations by the Elephant Action League and WWF have uncovered the complicated trade in fish swim bladders from the Gulf of California that is pushing a porpoise known as the vaquita ...

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 ...

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 ...