| Main Ref. | National Register of Lake Surveys, 2006 (Ref. 57534) |
|---|---|
| Name used | Osmerus eperlanus |
| Locality | Lake NORRA HÖRKEN |
| Station | FRI-665755-145080-19830704 |
| Year | 1983 |
| Water depth | 44 m |
| Altitude | 255 m |
| Coordinates | In decimal: 60.03, 14.93 |
| Collector | Freshwater Research Institute |
| Identifier | Freshwater Research Institute |