The Transcaucasian spirlin (''Alburnoides fasciatus'') is a fish

species In biology, a species is the basic unit of classification and a taxonomic rank of an organism, as well as a unit of biodiversity. A species is often defined as the largest group of organisms in which any two individuals of the appropriate s ...

in the family

Cyprinidae Cyprinidae is a family of freshwater fish commonly called the carp or minnow family. It includes the carps, the true minnows, and relatives like the barbs and barbels. Cyprinidae is the largest and most diverse fish family and the largest verte ...

. It is widespread in the Western

Transcaucasia The South Caucasus, also known as Transcaucasia or the Transcaucasus, is a geographical region on the border of Eastern Europe and Western Asia, straddling the southern Caucasus Mountains. The South Caucasus roughly corresponds to modern Arme ...

and rivers of the

Black Sea The Black Sea is a marginal mediterranean sea of the Atlantic Ocean lying between Europe and Asia, east of the Balkans, south of the East European Plain, west of the Caucasus, and north of Anatolia. It is bounded by Bulgaria, Georgia, Roma ...

coast in

Turkey Turkey ( tr, Türkiye ), officially the Republic of Türkiye ( tr, Türkiye Cumhuriyeti, links=no ), is a list of transcontinental countries, transcontinental country located mainly on the Anatolia, Anatolian Peninsula in Western Asia, with ...

westward to the

Kızılırmak River The Kızılırmak (, Turkish for "Red River"), once known as the Halys River ( grc, Ἅλυς) and Alis River ( hy, Ալիս), is the longest river flowing entirely within Turkey. It is a source of hydroelectric power and is not used for naviga ...

. It prefers rivers and streams with fast-running shallow water, over gravel, pebbles or rocks.

References

* fasciatus Fish described in 1840 Freshwater fish of Western Asia {{Cyprinidae-stub