The critically endangered Mekong Giant Catfish is one of the world’s largest freshwater migratory fish

The critically endangered Mekong Giant Catfish is one of the world’s largest freshwater migratory fish, measuring up to three meters in length and weighing in excess of 300kg. From October to December each year, the species moves out of the lower Mekong and is believed to migrate upstream into northeastern Cambodia and possibly Lao PDR or Thailand to spawn.

The major threats to the species are overfishing, habitat loss and genetic introgression with cultured stocks.