The Mekong giant catfish has one of the fastest growth rates of any fish in the world. It can reach up to 440 pounds in only six years. They can live up to 60 years. Highly migratory, the species ...

But as China completed one, then two, and then seven dams upstream, the few hundred residents of Ban Pak Ing saw the Mekong change. The sudden fluctuations in water levels interfere with fish ...