A new study has found that the Mekong River’s largest freshwater fish are shrinking in size, with critically endangered species like the giant catfish and giant barb now averaging less than half their ...

The mighty Mekong River, which has sustained civilizations for thousands of years, now faces an unprecedented crisis that ...

I first began covering the Mekong River in Southeast Asia almost two decades ago, encountering fish so immense they seemed almost mythical: giant freshwater stingrays weighing as much as a grand piano ...

The first-ever acoustic telemetry network in the Mekong River has tracked key migration corridors critical to the survival of fish in Cambodia and Laos. To conduct the study, researchers caught fish ...