| Main Ref. | National Register of Lake Surveys, 2006 (Ref. 57534) |
|---|---|
| Name used | Alburnus alburnus |
| Locality | Lake MADKROKEN |
| Station | FRI-632867-145547-19841126 |
| Year | 1984 |
| Water depth | 21 m |
| Altitude | 195 m |
| Coordinates | In decimal: 57.08, 15.07 |
| Collector | FINMND07 |
| Identifier | FINMND07 |