In October 2016, more than 70 giant freshwater stingrays, some of the size of a tourist car, were found dead on Mae Klong River (Thailand).
Giant freshwater rays are likely to die due to water pollution in the Mae Klong River, Thailand.
The huge giant gray catfish in North America caught the question of Cambodian fishermen on the Mekong River.
The dam construction on the main stream in the lower Mekong region may become a threat to the survival of the catfish species, one of the largest and rarest freshwater fish species