River water should instead be full of silt. The Mekong, South-east Asia’s main ... it also faces threats that range from pollution to wetland destruction and overfishing. Of these, it is the ...

Despite pollution and heavy fishing pressure ... delta fields and feeds fish throughout the Mekong system—which extends beyond the river itself. The boats that fish its enormously productive ...

A 300kg (661lb) stingray caught in the Mekong river in Cambodia is the biggest ... The Mekong is rich in biodiversity but overfishing, dams and pollution threaten its fragile ecosystem.