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 ...

The international trade in exotic animal parts includes rhino horn, seahorses and bear gallbladders. But perhaps none is as strange as the swim bladder from a giant Mexican fish called the totoaba.

SAN DIEGO (AP) — Seven people have been charged with smuggling bladders from an endangered fish in what authorities said Wednesday may be a growing international practice in which the bladders are ...

SAN DIEGO, April 24 (Reuters) - U.S. border officers in California are seizing a large number of smuggled bladders from an endangered fish that are prized for use in Chinese soups, with seven people ...