Stizostedion
| Site | Municipality (county) | Num. obs. | Num. species | Num. images | Last obs. | |
|---|---|---|---|---|---|---|
| Akersvannet | Vestfold, Norway | 3 | 1 | 0 | 1991-09-25 | |
| Borrevannet | Vestfold, Norway | 1 | 1 | 0 | 2003-05-19 | |
| Mjøsa | Innlandet, Norway | 1 | 1 | 0 | 2000-10-10 | |
| Nordre Øyeren og Sørumsneset naturreserv | Akershus, Norway | 1 | 1 | 0 | 2003-06-17 | |
| Skinnarvatnet | Agder, Norway | 1 | 1 | 0 | 2001-07-14 | |
| Vansjø | Østfold, Norway | 5 | 1 | 0 | 2010-05-04 |