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 ...

WASHINGTON (AP) — A huge fish in the Mekong River thought to be extinct has been spotted three times in recent years. “The ...

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 ...

A rarely seen 'doomsday serpent fish' was found floating dead on the ocean surface off the San Diego coast on Wednesday and was brought ashore for study, marine experts said. The silvery ...