| Main Ref. | National Register of Lake Surveys, 2006 (Ref. 57534) |
|---|---|
| Name used | Gymnocephalus cernuus |
| Locality | Lake UNNEN |
| Station | FRI-630956-136285-19800819 |
| Year | 1980 |
| Water depth | 25 m |
| Altitude | 145 m |
| Coordinates | In decimal: 56.89, 13.56 |
| Collector | FINMND13 |
| Identifier | FINMND13 |