The Lake is the largest fresh water in South East Asia. Its dimension changes depending on the monsoon and dry season. The flooded forest surrounding the edge of the lake is the best shelter and also very important for all kinds of fishes spawned and breeding babies. This lake providing many of biodiversities, over 300 species of fresh water fishes, as well as snakes, crocodiles, tortoises, turtles and otters. More than 100 varieties water birds including storks, pelicans, etc