| Main Ref. | Leppakoski, E. and S. Olenin, 2000 |
| To | Gulf of Finland |
| FAO area | Europe - Inland waters |
| From | Ponto-Caspian region |
| FAO area | |
| Year | 1992 |
| Range | |
| Period | 1975-present |
| Established in the Wild | |
| Established in Aquaculture | |
| Significant Ecological Interactions | |
| Significant Socio-economic Effects | |
| Introduced by | |
| Reason | accidental |
| Other Reason | |
| Comments |