Cambodian fishermen caught two fish in the Mekong River, measuring between 11 and 13 pounds and two to three feet long. This time researchers were able to purchase and examine the fish for themselves.

A 661-pound stingray caught in the Mekong was tagged and tracked. The data is giving scientists new insight into a fragile ecosystem. By Rachel Nuwer Researchers may have solved a big mystery ...

As babies, they feed on zooplankton in the river and are known to be cannibalistic. After about a year, they become herbivores, and eat plants and algae. The Mekong giant catfish has one of the ...

Endangered sawfish spinning, dying off coast of Florida Six critically endangered Mekong giant catfish — one of the largest and rarest freshwater fish in the world — were caught and released ...

The Mekong River produces fish when it flows free and clean electricity when it’s dammed. Therein lies the dilemma.

A U.S.-funded study by Eyes on Earth found a reduction in expected natural flow of the Mekong River since 2012, when one of the largest Chinese dams went on line. China rejected the study and last ...

It found the whole Lower Mekong Basin - the world's most productive fishery - could lose between 39 and 40 percent of its entire fish biomass, some 900,000 tons, worth about $4.3 billion by 2040 ...

The Mekong has long cast a mystical spell over adventurers, wildlife experts, and scientists enchanted by its spectacular rapids and waterfalls, along with its endangered dolphins, giant manta ...