| Main Ref. | National Register of Lake Surveys, 2006 (Ref. 57534) |
|---|---|
| Name used | Gymnocephalus cernuus |
| Locality | Lake NORDSJÖN |
| Station | FRI-664550-128568-19930811 |
| Year | 1993 |
| Water depth | 13 m |
| Altitude | 125 m |
| Coordinates | In decimal: 59.87, 11.98 |
| Collector | Samhall |
| Identifier | Samhall |