| Impact ID | 5791 |
| Impact Type | Genetic |
| Study Type | Observational |
| Study Location | Field |
| Impact Description | In the Oder River, Poland, bleak (Alburnus alburnus hybridizes with the common roach (Rutilus rutilus), white bream (Blicca bjoerkna), and common bream (Abramis brama). |
| Reference | 35126 |
| Cost | |
| Location | Oder River, Poland |