| Main Ref. | National Register of Lake Surveys, 2006 (Ref. 57534) |
|---|---|
| Name used | Gymnocephalus cernuus |
| Locality | Lake NÄTSJÖN |
| Station | FRI-664175-142498-19780722 |
| Year | 1978 |
| Water depth | 29 m |
| Altitude | 209 m |
| Coordinates | In decimal: 59.89, 14.47 |
| Collector | FINMND18 |
| Identifier | FINMND18 |