Species: Drøbaksjøpiggsvin (Strongylocentrotus droebachiensis)
| Site | Municipality (county) | Num. obs. | Num. species | Num. images | Last obs. | |
|---|---|---|---|---|---|---|
| Bjorelvnes, Midt-Troms museum | Troms, Norway | 1 | 1 | 0 | 2024-09-26 | |
| Drøbak | Akershus, Norway | 9 | 1 | 6 | 2016-09-23 | |
| Håkjerringberget | Troms, Norway | 2 | 1 | 0 | 2015-07-09 | |
| Mjølvik Hardbunn | Troms, Norway | 1 | 1 | 1 | 2014-08-28 |