Dnieper chub
(Petroleuciscus borysthenicus)

Image source: Davide Bellucci | inaturalist.org
Classification
Species:
Petroleuciscus borysthenicus
Family: Leuciscidae - Chub family
Order: Cypriniformes - Carps
Superclass: Osteichthyes - Bony fishes
General data
Scientific names:
Dnieper chub
Local names:
Black Sea chub
Habitat:
Freshwater
Climates:
Subtropical, Temperate
Distribution:
Kızılırmak river, Ropotamo river, Lake Volvi, Dnieper, Struma (Strymonas), Kamchiya, Veleka, Rezovo river, Maritsa (Evros)
The Dnieper chub or the Black Sea chub (Petroleuciscus borysthenicus) is a species of cyprinid fish from Eastern Europe. It is found in Bulgaria, Georgia, Greece, Moldova, Romania, Russia, Turkey, and Ukraine. It lives up to eight years.
Eurasia: Western, northern and eastern Black Sea and Sea of Azov basins, from Bulgaria clock-wise to Kizilirmak drainage in northern-central Turkey (missing in Don); Aegean Sea basin, from Strma drainage eastward in Europe; northwestern Turkey. In lower reaches of rivers and coastal lakes, but in Dniepr up to Seim and Desna systems.
Max length : 40 cm TL; common length : 18 cm TL