Species: Bythotrephes longimanus
| Site | Municipality (county) | Num. obs. | Num. species | Num. images | Last obs. | |
|---|
| Abbortjernet | Innlandet, Norway | 1 | 1 | 0 | 1989-08-22 | |
| Granavatnet | Trøndelag, Norway | 1 | 1 | 0 | 1997-09-04 | |
| Harestuvannet | Akershus, Norway | 3 | 1 | 0 | 1995-08-31 | |
| Litlvatnet | Trøndelag, Norway | 1 | 1 | 0 | 1996-09-06 | |
| Nøklevatnet | Innlandet, Norway | 1 | 1 | 0 | 1990-06-06 | |
| Reiarsvatnet | Rogaland, Norway | 1 | 1 | 0 | 1990-06-07 | |
| Skarvatnet | Møre og Romsdal, Norway | 1 | 1 | 0 | 1995-09-07 | |
| Skithegga | Akershus, Norway | 1 | 1 | 0 | 2014-10-13 | |
| Skulbruvatn | Nordland, Norway | 1 | 1 | 0 | 1997-09-12 | |
| Storavatnet | Vestland, Norway | 1 | 1 | 0 | 1993-09-02 | |
