58032 Hemibagrus filamentus (Fang & Chaux, 1949) Bagridae Bagrid catfishes Siluriformes Teleostei Asia: Mekong basin in Laos, Thailand, Cambodia and Viet Nam (Ref. 43281). Reported from the river systems of Maeklong, Chao Phraya, Peninsular and Southeast Thailand (Ref. 26336).