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 revealed ...

Hydrogels, which are soft materials formed by crosslinking polymers, could have a variety of medical applications.

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 ...

Owners should also watch out for infection and diseases such as fin rot, dropsy, and swim bladder disease. While Betta fish can tolerate dirty water for a short period, long exposure can cause ...