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 fish swim bladder is an organ that aids fish in floating in water and is composed of collagen, glycosaminoglycans, and elastin, closely resembling parts of the human heart. Experiments ...

The fish swim bladder is an organ that aids fish in floating in water and is composed of collagen, glycosaminoglycans, and elastin, closely resembling parts of the human heart. Experiments ...