| Main Ref. | National Register of Lake Surveys, 2006 (Ref. 57534) |
|---|---|
| Name used | Gymnocephalus cernuus |
| Locality | Lake ELLENÖSJÖN |
| Station | FRI-649255-127344-19970909 |
| Year | 1997 |
| Water depth | 9 m |
| Altitude | 67 m |
| Coordinates | In decimal: 58.50, 11.92 |
| Collector | Göteborgs Universitet |
| Identifier | Göteborgs Universitet |