Beneath the surface, a fascinating world of communication unfolds, where the seemingly simple swim bladder plays a pivotal role. Think of a swim bladder like a tiny balloon in bony fish (Osteichthyes) ...

(CNN) - Border authorities have seized $2.7 million in illegal swim bladders, the organ that helps fish control their buoyancy. U.S. Customs and Border Protection officers in Arizona seized 242 pounds ...

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 ...

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 kilogram.

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 kilogram. It’s often viewed as a symbol of ...