''Mystus cavasius'', the Gangetic mystus, is a species of catfish of the family Bagridae. In the wild it is found in Indian Subcontinent countries such as, India, Bangladesh, Pakistan,

Sri Lanka Sri Lanka (, ; si, ශ්‍රී ලංකා, Śrī Laṅkā, translit-std=ISO (); ta, இலங்கை, Ilaṅkai, translit-std=ISO ()), formerly known as Ceylon and officially the Democratic Socialist Republic of Sri Lanka, is an ...

, Nepal, and

Myanmar Myanmar, ; UK pronunciations: US pronunciations incl. . Note: Wikipedia's IPA conventions require indicating /r/ even in British English although only some British English speakers pronounce r at the end of syllables. As John C. Wells, Joh ...

. Reports of this species from the Mekong basins, Malaysia, and Indonesia are misidentifications of the species ''

Mystus albolineatus ''Mystus albolineatus'' (known locally as trey kanchos bay) is a species of catfish endemic to Cambodia, Thailand and Vietnam, known from Chao Phraya River, Bang Pakong River, Mekong River and Tonlé Sap. It is found in flowing and standing water ...

'' or ''

Mystus singaringan ''Mystus'' is a genus of fish in the family Bagridae native to Asia. Phylogenetic relationships within this genus are poorly understood, though it has been suggested that there are two major lineages. Species There are currently 46 recognized ...

''. Few populations are occur in Thailand, but only in the Salween basin. It grows to a length of 40 cm. The pectoral spine of the species may give painful wounds and sometimes can be venomous. The population is known to be decreasing in recent past, due to catching, pet trading and habitat destruction.

References

Bagridae Catfish of Asia Fish of South Asia Fish of Southeast Asia Freshwater fish of India Freshwater fish of Sri Lanka Fish of Bangladesh Fish described in 1822 {{bagridae-stub