| Reference no. | Bogutskaya, N.G. and A.M. Naseka, 2002 |
| Ecosystem | Volga |
| Status | native |
| Abundance | scarce (very unlikely) |
| Lifestage | adults |
| Regional database | |
| Remarks | Undertakes migration to the uppermost tributaries. There are reported indications that it has formed large landlocked populations in reservoir in the lower Volga (Ref. 59043). Also Ref. 26334. |