| Main Ref. | National Register of Lake Surveys, 2006 (Ref. 57534) |
|---|---|
| Name used | Gymnocephalus cernuus |
| Locality | Lake HOLMTJÄRN |
| Station | FRI-659838-127774-19950814 |
| Tahun | 1995 |
| Water depth | 18 m |
| Altitude | 108 m |
| Coordinates | In decimal: 59.45, 11.89 |
| Collector | KN1765 |
| Identifier | KN1765 |