The common rudd is a bentho-pelagic freshwater fish, widely spread in Europe and middle Asia, around the basins of the North, Baltic, Black, Caspian and Aral seas.
Labeobarbus acuticeps is a species of ray-finned fish in the family Cyprinidae. It is found in Burundi, Rwanda, and Tanzania.
The East African red-finned barb is a species of ray-finned fish in the family Cyprinidae.
Labeobarbus claudinae is a species of ray-finned fish in the family Cyprinidae. It is found in Burundi and Rwanda. Its natural habitats are rivers, freshwater lakes, freshwater marshes, and inland deltas. It is threatened by habitat loss.
The Briána is a species of cyprinid fish.
Chondrostoma prespense is a species of ray-finned fish in the family Cyprinidae. It is endemic to the Prespa Lakes in Albania, Greece, and North Macedonia. Its natural habitats are rivers and freshwater lakes. It is threatened by habitat loss.
Chondrostoma soetta, or the Italian nase, is a species of freshwater fish in the family Cyprinidae. It is found in Italy, Slovenia, and Switzerland. Its natural habitats are rivers and freshwater lakes. It is threatened by habitat loss and predation and competition from introduced species such as roach, wels catfish and the common nase. It has been extirpated from Slovenia and numbers are declining in the Italian and Swiss lakes of Lake Como, Lake Lugano, Lake Maggiore, Lake Iseo and Lake Garda. Some population which are descended from fish introduced to other lakes in Italy appear to be thriving.
Romanogobio benacensis is a species of ray-finned fish in the family Cyprinidae. It is found in Italy and Slovenia. Its natural habitat is rivers. It is threatened by habitat loss.
The Fuelleborn's labeo is an African species of freshwater fish in the family Cyprinidae. It is found in Burundi and Tanzania in the Lake Rukwa basin, Lake Tanganyika and the Malagarasi River. Its natural habitats are rivers, freshwater lakes, and inland deltas. Its status is insufficiently known.
Pachychilon macedonicum is a species of ray-finned fish in the family Cyprinidae. It is found in Greece and North Macedonia. Its natural habitats are rivers and freshwater lakes. It is threatened by habitat loss.
Pelasgus minutus is a species of ray-finned fish in the family Cyprinidae. It is found in Albania and North Macedonia. Its natural habitats are rivers, intermittent rivers, and freshwater lakes. It is threatened by habitat loss.
Scardinius elmaliensis is a species of ray-finned fish in the family Cyprinidae. It is found only in Turkey. Its natural habitats are rivers and freshwater lakes.
Scardinius graecus, also called the Greek rudd or Yliki rudd, is a species of cyprinid fish, only known from a single lake, Lake Yliki, in Greece. The other known population, in Lake Paralimni, disappeared after the lake had been drained. This fish is classified as critically endangered.
Scardinius racovitzai is a species of ray-finned fish in the family Cyprinidae. It is found only in Romania.
Scardinius scardafa is a species of ray-finned fish in the family Cyprinidae. It is found only in Italy. Its natural habitats are rivers and freshwater lakes.
Pachypanchax sakaramyi is a species of Aplocheilid killifish endemic to Madagascar where it is only known from Sakaramy and Antongombato Rivers with reports that it is found in several crater lakes. Its natural habitats are rivers and freshwater lakes. It is threatened by habitat loss and invasive species.
Aristotle's catfish is a species of fish in the family Siluridae. It is endemic to Greece, where it occurs in the Acheloos River drainage. Its natural habitat is freshwater lakes. It is threatened by habitat loss. This species grows to a length of 46 centimetres (18 in) TL and is of importance to local commercial fisheries. It is known from Lake Trichonida, Lake Lysimachia and Lake Amvrakia and introduced to Lake Volvi and Lake Ioannina in the 1980s thus exclusively lives in lakes. Threats may be water pollution and overfishing.
Scardinius dergle is a species of ray-finned fish in the family Cyprinidae. It is found only in Bosnia and Herzegovina and Croatia. Its natural habitats are rivers and freshwater lakes.
Scardinius knezevici is a species of ray-finned fish in the family Cyprinidae. It is found in Lakes Ohrid and Skadar in Albania, Macedonia, and Montenegro.
Scardinius plotizza is a species of ray-finned fish in the family Cyprinidae. It is found in Bosnia and Herzegovina and Croatia. Its natural habitats are rivers and freshwater lakes.
