The Amur River or Heilong River is a perennial river in Northeast Asia, forming the natural border between the Russian Far East and Northeast China. The Amur proper is 2,824 km (1,755 mi) long, and has a drainage basin of 1,855,000 km2 (716,000 sq mi). If including its main stem tributary, the Argun, the Amur is 4,444 km (2,761 mi) long, making it the world's tenth longest river.
The white-finned gudgeon is a species of freshwater fish in the family Cyprinidae. It lives in the North Caspian basin in lower parts of the Volga and Ural River drainages. They can reach 13 cm in length.
Gobio is a genus of typical gudgeons, ray-finned fish in the family Cyprinidae many of which are endemics of south-eastern Europe. Members of the genus are usually small fish, rarely longer than 10 cm.
The Kessler's gudgeon is a European species of freshwater fish in the family Cyprinidae. It is found in the Danube and Vistula drainage basins, including parts of Poland, Austria, the Czech Republic, Ukraine, Bulgaria, Romania, Moldova, Hungary, Croatia, Bosnia and Herzegovina, Serbia, Montenegro, Slovakia, and Slovenia. It is a small fish of no economic or sporting importance. It was at one time classified as Gobio kessleri.
Romanogobio uranoscopus, also known as the Danubian longbarbel gudgeon, Danubian gudgeon, Danube gudgeon or the steingressling, is a European species of freshwater cyprinid fish. It can be found in Austria, Bulgaria, Croatia, Czech Republic, Germany, Hungary, Italy, Romania, Serbia and Montenegro, Slovakia, Slovenia and Ukraine.
Cyprinus rubrofuscus, the Amur carp, is a species of cyprinid fish, and is the wild form of the well-known koi. It is widespread in the fresh waters of eastern Asia, native to China, Korea, Russia, Vietnam and Laos from the Amur to Red River basins, and has also been introduced outside its native range. It is known for its muddy flavor and boniness, hence, it is not commonly eaten by locals except when stewed.
Romanogobio is a genus of cyprinid fish found in Europe and Asia.
The Danube whitefin gudgeon is a species of freshwater fish in the family Cyprinidae. It is distributed in the Danube drainage. The maximal length is 11.5 cm, maximal reported age 4 years.
The northern whitefin gudgeon is a species of freshwater fish in the family Cyprinidae. It is distributed in the northern Black Sea basin, southern Baltic Sea basin, southern North Sea basin. Also, reports from lakes Ilmen and Ladoga and its basins have been made, which are questionable. Their maximal length is 11.5 cm, with a maximal reported age of 5 years.
The Don whitefin gudgeon is a species of freshwater fish in the family Cyprinidae. It is distributed in the Don River basin in Russia, and also in the Siverskyi Donets River in Ukraine. The maximal length is 10.7 cm, maximal reported age 5 years.
Romanogobio amplexilabris is a species of cyprinid fish endemic to China.
Romanogobio banaticus is a species of cyprinid fish endemic to Romania.
The North Caucasian longbarbel gudgeon is a species of cyprinid fish found in the Western Caspian basin, from the Kuma drainages in Russia to the Yalaminskie drainages in Azerbaijan.
Romanogobio johntreadwelli is a species of cyprinid fish endemic to China.
The South Caucasian gudgeon is a species of cyprinid fish found in the Kura and Aras drainages flowing to the southwest Caspian Sea from headwaters in Turkey down to lower reaches in Azerbaijan and Iran.
Romanogobio parvus is a species of cyprinid fish endemic to the Kuban River in Russia.
The Kuban long-barbelled gudgeon is a species of cyprinid fish endemic to the middle reaches of the Kuban River in Russia.
The Kura gudgeon is a species of cyprinid fish found in the Kura and Aras basins in Europe and Asia.
Soldatov's thicklip gudgeon is a species of cyprinid fish found from the Amur to the Liaoning drainages, and Buir Lake in Mongolia.
