Hyalobagrus ornatus is a species of bagrid catfish found in Indonesia, Malaysia and Thailand. It is found in the Muar River drainage in the southern Malay Peninsula of Malaysia and Thailand and Kapuas basin in western Borneo. It occurs in streams and peat swamps. References Bagridae Fish of Asia Freshwater fish of Indonesia Freshwater fish of Malaysia Fish of Thailand Taxa named by Georg Duncker Fish described in 1904