This place is a plentiful water resource with more than 25 species of freshwater fish and fish breeding is done in the Inland Fisheries Station. Some species of fish are endangered; such as, Walking Catfish. There are 9 kinds of Barb, 3 kinds of Anabas, commercial fish, which are, Common Snakehead, Grey Featherback, Eye-Spot Barb, Java Barb, Siamese Mud Carp, Hard-Lipped Barb, and Striped Tiger Leaffish, which is the symbol of Bueng Lahan. Bueng Lahan is a plentiful natural resource with a good ecosystem so it is a habitat and breeding place for more than 56 species of birds, both indigenous birds, shore birds, waders, and migratory birds. Some species of birds are endangered.