The Mekong Giant Catfish (Pangasianodon gigas) is a gigantic species of Catfish, particularily the largest species of them all. It is from the family Pangasiidae and the genus Pangasianodon. The fish is extremely endangered because of dams in the Mekong basin, which is the only place this fish is known to live. This fish is capable of growing over 10 feet long, and easily weighing more than 500 pounds. This fish is also a Herbivore.