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

Good luck! Q: I heard that you could give a sweet pea to a fish that has swim bladder problems. The pea is supposed to counteract buoyancy disorder. Is this true? Is this something fish owners can ...

They can secrete gas into the swim bladder or remove it. A fish that lives on the bottom doesn't need to be able to maintain its buoyancy. Narrator: So, the Jell-O layer isn't a perfect substitute ...

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 ...

It has adapted to extreme depths by evolving a soft, gelatinous body. Unlike most fish, it lacks a swim bladder, full skeleton, muscles, and scales. Its body is less dense than water, allowing it ...

Native to the deep waters around New Zealand and Australia, the blobfish lacks a skeleton and swim bladder, enabling it to survive at depths of up to 1,200m. The gelatinous fish grows up to 30cm long.