| Main Ref. | National Register of Lake Surveys, 2006 (Ref. 57534) |
|---|---|
| Name used | Gasterosteus aculeatus |
| Locality | Lake UNDEN |
| Station | FRI-651567-141795-19860809 |
| Year | 1986 |
| Water depth | 86 m |
| Altitude | 117 m |
| Coordinates | In decimal: 58.76, 14.39 |
| Collector | Freshwater Research Institute |
| Identifier | Freshwater Research Institute |