Imagine a fish worth more than a small fortune. The Totoaba, a creature of the Gulf of California, holds the dubious ...

This goldfish has swim bladder disorder. Its owner made a simple device using a discarded mask and a paper tube to prevent the fish from flipping upside down. This footage was filmed by Me. Wang, in ...

Its owner said the fish was stuck at the bottom of the tank because its swim bladder was damaged. The floating harness is made of twist ties and pieces of cork. Swim bladder disease is a common ...

Authorities in China are prosecuting 11 people for smuggling $119m (£90m) worth of fish swim bladders from Mexico. They are accused of bringing in 20,000 swim bladders from totoaba fish from the ...