Gammarus lacustris
| Site | Municipality (county) | Num. obs. | Num. species | Num. images | Last obs. | |
|---|---|---|---|---|---|---|
| "Bommen" | Østfold, Norway | 5 | 1 | 0 | 1995-05-26 | |
| Adalsbekken/Sandeelva | Vestfold, Norway | 2 | 1 | 0 | 1994-06-01 | |
| Almåa | Trøndelag, Norway | 1 | 1 | 0 | 1996-09-23 | |
| Apeltunvatnet | Vestland, Norway | 1 | 1 | 0 | 2009-06-08 | |
| Arkavatnet | Rogaland, Norway | 1 | 1 | 0 | 1992-09-22 | |
| Askerelva | Akershus, Norway | 1 | 1 | 0 | 1993-09-21 | |
| Austretjønnbekken | Agder, Norway | 2 | 1 | 0 | 1997-10-22 | |
| Bekk (navn ikke registrert-Finsland) | Agder, Norway | 1 | 1 | 0 | 1993-10-27 | |
| Bekk (navn ikke registrert-Førde) | Vestland, Norway | 4 | 1 | 0 | 1994-05-26 | |
| Bekk fra Vesletjørn til Storetjørn | Vestland, Norway | 2 | 1 | 0 | 1994-05-19 | |
| Bekk ved Gulskogen | Buskerud, Norway | 2 | 1 | 0 | 1994-06-01 | |
| Bleik | Nordland, Norway | 1 | 1 | 1 | 2014-09-14 | |
| Breimoenbekken | Agder, Norway | 3 | 1 | 0 | 1995-05-11 | |
| Breivikvatnet | Nordland, Norway | 1 | 1 | 0 | 2005-07-10 | |
| Byaelva | Trøndelag, Norway | 7 | 1 | 0 | 1997-09-25 | |
| Bøelva | Vestland, Norway | 1 | 1 | 0 | 1993-10-11 | |
| Bårlidbekken | Akershus, Norway | 1 | 1 | 0 | 1994-05-25 | |
| Daleelva | Vestland, Norway | 1 | 1 | 0 | 1994-11-07 | |
| Dalsbekken/Nøstvedtbekken | Akershus, Norway | 2 | 1 | 0 | 1996-06-05 | |
| Djupvatnet | Nordland, Norway | 1 | 1 | 0 | 2006-06-01 | |
| Døla | Trøndelag, Norway | 1 | 1 | 0 | 1995-09-14 | |
| Elgtjern | Trøndelag, Norway | 1 | 1 | 0 | 1989-09-15 | |
| Elveneselva | Nordland, Norway | 4 | 1 | 0 | 1995-05-30 | |
| Elvetangen | Innlandet, Norway | 1 | 1 | 0 | 2013-09-06 | |
| Erlandsvatnet | Rogaland, Norway | 1 | 1 | 0 | 2001-09-27 | |
| Ersfjordelva | Troms, Norway | 1 | 1 | 0 | 1994-09-21 | |
| Ettevassbekken | Agder, Norway | 2 | 1 | 0 | 1994-05-26 | |
| Fagerlibekken | Trøndelag, Norway | 1 | 1 | 0 | 1994-06-15 | |
| Falkumelva (Hyni-elva) | Telemark, Norway | 3 | 1 | 0 | 1994-05-04 | |
| Fanaelven | Vestland, Norway | 4 | 1 | 0 | 1994-06-15 | |
| Fiskvannet | Nordland, Norway | 1 | 1 | 0 | 2006-07-01 | |
| Fjæraelva | Vestland, Norway | 2 | 1 | 0 | 1995-10-25 | |
| Floelva | Vestland, Norway | 3 | 1 | 0 | 1994-10-14 | |
| Floen | Vestland, Norway | 1 | 1 | 0 | 1993-10-04 | |
| Forsvatnet | Nordland, Norway | 1 | 1 | 0 | 2006-05-01 | |
| Frøtjønnbekken | Agder, Norway | 4 | 1 | 0 | 1995-06-06 | |
| Frøylandsvatnet | Rogaland, Norway | 3 | 1 | 0 | 1993-06-01 | |
| Gauro | Vestland, Norway | 1 | 1 | 0 | 1993-10-21 | |
| Gjellumvannet | Akershus, Norway | 3 | 1 | 0 | 2013-10-10 | |
| Gjerstadvannet | Agder, Norway | 1 | 1 | 0 | 2005-11-10 | |
| Gjømmervatnet | Nordland, Norway | 1 | 1 | 0 | 2004-07-10 | |
| Granavatnet | Trøndelag, Norway | 1 | 1 | 0 | 1993-08-31 | |
| Greverudbekken | Akershus, Norway | 3 | 1 | 0 | 1994-06-01 | |
| Grobekken | Agder, Norway | 5 | 1 | 0 | 1995-05-29 | |
| Grunningen | Innlandet, Norway | 1 | 1 | 0 | 2012-09-20 | |
| Grytebekken | Agder, Norway | 13 | 1 | 0 | 1997-09-23 | |
| Grytvikvatnet | Nordland, Norway | 1 | 1 | 0 | 2005-06-01 | |
| Gullerudelva | Innlandet, Norway | 1 | 1 | 0 | 1994-05-24 | |
| Gullerudtjern | Buskerud, Norway | 1 | 1 | 0 | 1992-09-19 | |
| Harestuvannet | Akershus, Norway | 1 | 1 | 0 | 1995-08-31 |