| Main Ref. | National Register of Lake Surveys, 2006 (Ref. 57534) |
|---|---|
| Name used | Gymnocephalus cernuus |
| Locality | Lake SJÖALTESJÖN |
| Station | FRI-625072-133939-19810605 |
| Year | 1981 |
| Water depth | 3 m |
| Altitude | 69 m |
| Coordinates | In decimal: 56.36, 13.21 |
| Collector | FINMND13 |
| Identifier | FINMND13 |