Sarah Ddungu, a former public health official-turned-fisherwoman, says the trade in Nile perch swim bladders (a gas-filled organ underneath the fish that regulates its buoyancy in water) has given her ...
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.
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