Blue bream
- kingdom: Animalia
- phylum: Chordata
- class: Actinopterygii
- order: Cypriniformes
- family: Cyprinidae
- genus: Ballerus
- species: Ballerus ballerus
Bosanska Gradiška
Srspka
Bosnia And Herzegovina
Wrocław
Lower Silesia
Poland
Apatin
Bačka Palanka
Bačka Topola
Petrovaradin
Vojvodina
Serbia
Sigtuna
Stockholm
Örsundsbro
Uppsala
Karlstad
Värmland
Sweden
Batina
Gura Văii