Lives in highland streams to lowland rivers and peats (Ref. 57235). Found in a variety of habitats, but frequently in sluggish, turbid waters (Ref. 43281). Occur in midwater to bottom depths in rivers, streams, canals and swamps. Moves into flooded forests and grassland during the flood season. It returns to the rivers later, with highest numbers appearing from December to February. Used to make prahoc and nuoc mam (Ref. 12693).