| Main Ref. | National Register of Lake Surveys, 2006 (Ref. 57534) |
|---|---|
| Name used | Gymnocephalus cernuus |
| Locality | Lake BYSJÖN |
| Station | FRI-658086-130264-19930728 |
| Year | 1993 |
| Water depth | 12 m |
| Altitude | 123 m |
| Coordinates | In decimal: 59.30, 12.34 |
| Collector | Freshwater Research Institute |
| Identifier | Freshwater Research Institute |