Stenodus leucichthys is a species of freshwater whitefish in the family Salmonidae. In the strict sense its natural distribution is restricted to the Caspian Sea basin, and it is known as beloribitsa. The beloribitsa is now considered extinct in the wild, but survives in cultured stocks. The nelma, a more widespread species of Eurasian and North America, is sometimes considered its subspecies.
The Persian sturgeon is a species of fish in the family Acipenseridae. It is found in the Caspian Sea and to a lesser extent the Black Sea and ascends certain rivers to spawn, mainly the Volga, Kura, Araks and Ural Rivers. It is heavily fished for its flesh and its roe and is limited in its up-river migrations by damming of the rivers. Young fish feed on small invertebrates, graduating to larger prey such as crabs and fish as they grow. The threats faced by this fish include excessive fishing with the removal of immature fish before they have bred, damming of the rivers, loss of spawning areas and water pollution. The International Union for Conservation of Nature has listed the fish as critically endangered and has suggested that the increased provision of hatcheries could be of benefit.
Alburnoides is a genus of cyprinid fishes native to Europe and Asia. Many species are known as riffle minnows or spirlins.
The Danube bleak or Caspian shemaya is a species of freshwater fish in the family Cyprinidae. It is found in Iran, Ukraine, Georgia, Armenia, Slovakia, Moldova, Greece, Czechia, Azerbaijan, Turkiye, Afghanistan, Austria, Bosnia and Herzegovina, Bulgaria, Croatia, Switzerland, Germany, Hungary, Italy, Romania, Russia, Serbia, Slovenia, Turkmenistan, and Uzbekistan.
Squalius alburnoides is a species of fish in the family Cyprinidae. It is found in Portugal and Spain. Its natural habitats are rivers and intermittent rivers. It may be threatened by habitat loss.
The Caspian lamprey, Caspiomyzon wagneri, is a species of lamprey native to the Caspian Sea, and a member of the Petromyzontidae family. Eudontomyzon hellenicus and E. graecus also possibly belong in this genus. This species is a non-parasitic lamprey that feeds on animal carcasses.
Stenodus nelma, known alternatively as the nelma, sheefish, siifish, inconnu or connie, is a commercial species of freshwater whitefish in the family Salmonidae. It is widespread in the Arctic rivers from the Kola Peninsula eastward across Siberia to the Anadyr River and also in the North American basins of the Yukon River and Mackenzie River.
The Transcaucasian spirlin is a fish species in the family Cyprinidae. It is widespread in the Western Transcaucasia and rivers of the Black Sea coast in Turkey westward to the Kızılırmak River. It prefers rivers and streams with fast-running shallow water, over gravel, pebbles or rocks.
Alburnoides rossicus also known as the Russian spirlin is a species of freshwater fish in the family Cyprinidae. It is found in Dniester, South Bug and Dnieper River in the northern Sea of Azov coast and Don River drainages in the Black Sea basin, also Volga River, Caspian Sea basin from upper reaches in Tver' Province and upper reaches of Oka River downstream to Kama River and rivers and lakes of Samara Province.
The Prespa spirlin is a fish species of family Cyprinidae. Native to the Balkans: Lake Prespa in Greece, North Macedonia, and Albania. Benthopelagic temperate freshwater fish, up to 9 cm in length.
The Ohrid spirlin is a fish species of family Cyprinidae. This species is endemic to Lake Ohrid in North Macedonia and Albania in the Balkans. It is a benthopelagic temperate freshwater fish, up to 9 cm in length. It was originally named as a subspecies of Alburnoides bipunctatus. It is threatened by non-indigenous species of fish, many of which have been introduced into Lake Ohrid.
Alburnoides qanati is a fish species of family Cyprinidae. It is widespread in the Pulvar River system and Kor River in Iran. Benthopelagic subtropical freshwater fish, up to 7.2 cm in length.
The Manyas spirlin is a species of minnow that is endemic to the Simav River drainage of Lake Kuş, also known as Lake Manyas, in Turkey. It may become threatened as its range is densely inhabited and increasingly industrialized.
Alburnoides idignensis, is a fish species of the family Cyprinidae endemic to Iran. It can be differentiated from its cogenerates by differences in fin ray and vertebral counts, together with other morphological characters. The specific name is derived from the Sumerian name for the River Tigris, "Idigna".
Alburnoides gmelini, the Dagestan spirlin, is a fish species of the family Cyprinidae, known from the western Caspian coast of southern Russia. I can be differentiated from its cogenerates by differences in fin ray and vertebral counts, together with other morphological characters. The specific bane honors Samuel Gottlieb Gmelin, a Russian-German naturalist who traveled through the River Don area and the Caucasus region and along the western and southern Caspian Sea coasts between 1768 and 1774.
Capoeta razii, is a newly described species of freshwater cyprinid fish occurring mainly in southern Caspian Sea basin, Iran. This species was mistakenly reported by many authors as Capoeta gracilis in northern Iranian regions. It was first reported to be different from Capoeta gracilis by Levin et al. (2012).
Alburnoides kubanicus is a species of freshwater fish in the family Cyprinidae. It is endemic to the Kuban and Laba River drainages in Russia.
Alburnoides maculatus is a species of small freshwater fish in the family Cyprinidae. It is endemic to the Crimea Peninsula.
Parham's riffle minnow is a species of small freshwater fish in the family Cyprinidae. It is endemic to the Caspian Sea basin river drainages in Iran.
Samii's riffle minnow is a species of freshwater fish in the family Cyprinidae. It is endemic to the Sefidroud River drainage in Iran.
