| Reference no. | Bauchot, M.-L., 1987 |
| Ecosystem | Black Sea |
| Status | native |
| Abundance | scarce (very unlikely) |
| Lifestage | adults |
| Regional database | |
| Remarks | Recorded from the region of Karadag state reserve (Ref. 45714). Found in Azov sea (Ref. 42845). The last natural population still migrates to Danube, where it is heavily fished. Only very few spawners remain in rest of Black Sea basin (Ref. 59043). |