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 ...

An curved arrow pointing right. Fish maw — the swim bladder of a fish — is one of the most expensive dried-seafood products in the world. A Chinese delicacy, it can fetch $450 to $1,000 per ...

The researchers then tested if the fish would swim the same distance if the starting position was changed and the cue was removed They also tested if goldfish would swim the same distance when the ...

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 ...