| Main Ref. | National Register of Lake Surveys, 2006 (Ref. 57534) |
|---|---|
| Name used | Gymnocephalus cernuus |
| Locality | Lake GRANN |
| Station | FRI-654007-128871-19980825 |
| Year | 1998 |
| Water depth | 43 m |
| Altitude | 102 m |
| Coordinates | In decimal: 58.93, 12.14 |
| Collector | Freshwater Research Institute |
| Identifier | Freshwater Research Institute |