''Salmo ciscaucasicus'', the Caspian salmon, is a salmonid fish endemic to the

Caspian Sea The Caspian Sea is the world's largest inland body of water, often described as the world's largest lake or a full-fledged sea. An endorheic basin, it lies between Europe and Asia; east of the Caucasus, west of the broad steppe of Central Asia ...

and its inflowing rivers.''Salmo ciscaucasicus''
at www.fishbase.org. It was described in 1967 originally as a subspecies of ''

Salmo trutta The brown trout (''Salmo trutta'') is a European species of salmonid fish that has been widely introduced into suitable environments globally. It includes purely freshwater populations, referred to as the riverine ecotype, ''Salmo trutta'' morph ...

''.Dorofeeva, E. A., 1967 ''Comparative morphological principles of taxonomy of East European salmons.'' Voprosy Ikhtiologii v. 7: 3-17. ''S. ciscaucasicus'' lives on the western shore of the lake from northern

Azerbaijan Azerbaijan (, ; az, Azərbaycan ), officially the Republic of Azerbaijan, , also sometimes officially called the Azerbaijan Republic is a transcontinental country located at the boundary of Eastern Europe and Western Asia. It is a part of t ...

to the

Ural River The Ural (russian: Урал, ), known before 1775 as Yaik (russian: Яик, ba, Яйыҡ, translit=Yayıq, ; kk, Жайық, translit=Jaiyq, ), is a river flowing through Russia and Kazakhstan in the continental border between Europe and Asia ...

, while the main breeding river is the Terek. It lives at depths down to 50 m. Males can reach a maximum standard length of 130 cm. Another species, '' Salmo caspius'' Kessler, 1877, inhabits the southern part of the Caspian, but it is considerably smaller in size.

References

ciscaucasicus Fish described in 1967 {{salmonidae-stub