| Main Ref. | National Register of Lake Surveys, 2006 (Ref. 57534) |
|---|---|
| Name used | Gymnocephalus cernuus |
| Locality | Lake GRYTSJÖN |
| Station | FRI-652729-143310-19800703 |
| Year | 1980 |
| Water depth | 12 m |
| Altitude | 138 m |
| Coordinates | In decimal: 58.86, 14.65 |
| Collector | FINMND18 |
| Identifier | FINMND18 |