Erethistes maesotensis is a species of South Asian river catfish native to Myanmar and Thailand where it is known from Moei River near Mae Sot on the Thai-Burmese border. E. maesotensis has been observed to inhabit fast-moving waters; during the rainy season, the water depth can increase by at least 3 metres (10 ft). The substrate mainly consists of small stones and sand with numerous empty gastropod shells. This species grows to a length of SL. References Erethistidae Fish of Asia Fish of Thailand Taxa named by Maurice Kottelat Fish described in 1983