as well as some of the Mekong River’s tributaries. “Still, observations remain rare, with no more than 20 observations of the species since the species description in 1991,” researchers said.

adults left in the Mekong River. Overfishing is the primary cause of the giant catfish’s decline, but damming of Mekong tributaries, destruction of spawning and breeding grounds, and siltation ...

The Mekong River in Thailand’s northern Chiang Khong ... related flow conditions on both the Mekong main stem and its tributaries. A boat on the dry bed of the Mekong River at Khong Chiam ...