The Amu-Darya stone loach (''Nemacheilus oxianus'') is a species of

ray-finned fish Actinopterygii (; ), members of which are known as ray-finned fishes, is a class of bony fish. They comprise over 50% of living vertebrate species. The ray-finned fishes are so called because their fins are webs of skin supported by bony or hor ...

in the genus ''

Nemacheilus ''Nemacheilus'' is a genus of stone loaches native to Asia. Species There are currently 44 recognized species in this genus: * '' Nemacheilus anguilla'' Annandale, 1919 (eel loach) * '' Nemacheilus arenicolus'' Kottelat, 1998 * '' Nemacheil ...

'', although it is sometimes placed in the genus ''

Oxynoemacheilus ''Oxynoemacheilus'' is a genus of fish in the family Nemacheilidae found in Europe and Western Asia Western Asia, West Asia, or Southwest Asia, is the westernmost subregion of the larger geographical region of Asia, as defined by some academic ...

''.Kottelat, M. (2012)
Conspectus cobitidum: an inventory of the loaches of the world (Teleostei: Cypriniformes: Cobitoidei).
''The Raffles Bulletin of Zoology, Suppl. No. 26: 1-199.''

Footnotes

* Nemacheilidae Fish described in 1877 {{Nemacheilidae-stub