Known from the Mekong basin (Ref. 27732). Juveniles have been recorded in small numbers in An Giang province in June-July (Ref. 37770). Reported to spawn in flooded ricefields and grasslands (Ref. 37770). Museum: Pnom-Penh, intersection of the 4 arms of the river, Mekong side, 7 (Ref. 26092). Also Ref. 36625, 36654, 43281.