A rare fish, the Totoaba, faces extinction due to illegal fishing for its valuable swim bladder, called fish maw. This practice also endangers the Vaquita, a marine mammal. The black market for fish ...

Swim bladder disease is a very common health condition that affects many types of fish. In short, it makes it difficult for the fish to maintain buoyancy because of a compromised swim bladder. They ...

Life is now going swimmingly for Einstein the disabled goldfish - after his owner made him his own personal life jacket. The tiny Fantail fish lost the ability to swim after developing a bladder ...

It has long been believed that the lungs of land vertebrates like us humans evolved from "swim bladders" -- gas-filled sacs in bony fish that help them adjust their depth. However, newly published ...