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 ...

Swim bladder disease is a very common health condition that affects many types of fish. In short, it makes it difficult for ...

parrotfish teeth grind against rock, crab claws snap as they battle over hiding spots, and a 600-pound grouper pulses its swim bladder to announce its presence with a muscular whump. Sharks and ...

The decidedly unattractive creature dominated the competition in the contest run by Mountains to Sea Conservation Trust, ...