| Occurrence | native | ||
| Importance | Ref. | ||
| Aquaculture | Ref. | ||
| Regulations | Ref. | ||
| Freshwater | Yes | ||
| Brackish | Yes | ||
| Saltwater | No | ||
| Live export | |||
| Bait | No | ||
| Gamefish | No | ||
| Abundance | occasional (usually not seen) | Ref. | Winkler, H.M., K. Skora, R. Repecka, M. Ploks, A. Neelov, L. Urho, A. Gushin and H. Jespersen, 2000 |
| Comments |
Distributed in the basins of the North, Baltic, Black, Caspian and Aral seas and the Sea of Azov (Ref. 26334). This has extended its range to several areas within the country where they have become locally established (Ref. 45022). Also Ref. 556. EurRus |
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| States/Provinces | |||
| States/Provinces Complete? | No | ||
| National Checklist | |||
| Country information | https://www.cia.gov/library/publications/resources/the-world-factbook/geos/rs.html | ||