| ကိုးကားသည့္ က်မ္းကိုးစာရင္း၏အမွတ္ | Winkler, H.M., K. Skora, R. Repecka, M. Ploks, A. Neelov, L. Urho, A. Gushin and H. Jespersen, 2000 |
| ေဂဟစနစ္ | Baltic Sea |
| အဆင့္အတန္း | native |
| ေပါၾကြယ္၀မွဳ | common (usually seen) |
| ဘ၀သက္တမ္းအဆင့္ဆင့္ | juv./adults |
| ေဒသတြင္းမွရရွိလာေသာ အခ်က္အလက္မ်ားကို အေျခခံလ်က္ | |
| မွတ္ခ်က္မ်ား | Reported only from the Neva, Narova and Luga rivers. Land-locked forms known from Lakes Ladoga and Onega (Ref. 26334). HELCOM: endangered in southwestern Baltic; near threatened in northern Baltic; considered a high priority species (Ref. 83294). |