The Siamese tigerfish, also known as the Siamese tiger perch, is a species of ray-finned fish belonging to the family Lobotidae, the tripletails and tiger perches. This fish is endemic to Indochina and is assessed as Critically Endangered by the IUCN.

Bueng Boraphet is the largest freshwater swamp and lake in central Thailand. It covers an area of 224 km2 east of Nakhon Sawan, south of the Nan River close to its confluence with the Ping River. This swamp can be seen from the train window between Bueng Boraphet and Thap Krit stations on the Northern railway line.