Klasse: Beinfisk (Actinopterygii)
| Site | Municipality (county) | Num. obs. | Num. species | Num. images | Last obs. | |
|---|
| Skjoldabukta | Vestland, Norway | 1 | 1 | 4 | 2017-10-05 | |
| Skjærvøya | Trøndelag, Norway | 5 | 1 | 0 | 1993-10-13 | |
| Skogerøya | Agder, Norway | 24 | 2 | 0 | 1996-09-19 | |
| Skogvannet | Finnmark, Norway | 1 | 1 | 0 | 2004-09-01 | |
| Skoklefald | Akershus, Norway | 1 | 1 | 0 | 1993-10-13 | |
| Skorga | Møre og Romsdal, Norway | 2 | 2 | 0 | 1993-11-26 | |
| Skottevig | Agder, Norway | 13 | 2 | 0 | 1995-10-09 | |
| Skottevik | Agder, Norway | 8 | 5 | 8 | 2013-09-19 | |
| Skranevatnet | Vestland, Norway | 3 | 3 | 0 | 2012-05-08 | |
| Skutleselvi | Vestland, Norway | 7 | 1 | 0 | 1998-09-18 | |
| Skånevik | Vestland, Norway | 24 | 2 | 0 | 1996-10-04 | |
| Skåraneset | Rogaland, Norway | 6 | 2 | 0 | 1995-10-02 | |
| Skåtøy | Telemark, Norway | 1 | 1 | 0 | 1995-01-02 | |
| Slagen | Vestfold, Norway | 17 | 2 | 0 | 1996-09-25 | |
| Slemmestad | Akershus, Norway | 8 | 2 | 0 | 1996-09-16 | |
| Slettebøvannet | Rogaland, Norway | 2 | 1 | 0 | 2007-09-07 | |
| Smeneselva | Møre og Romsdal, Norway | 17 | 2 | 0 | 1996-08-27 | |
| Smertudammen | Østfold, Norway | 1 | 1 | 0 | 2017-08-29 | |
| Smertudammen | Østfold, Norway | 1 | 1 | 0 | 2017-08-29 | |
| Sola | Rogaland, Norway | 7 | 2 | 0 | 1995-09-08 | |
| Sola | Rogaland, Norway | 2 | 2 | 0 | 1995-09-08 | |
| Solastranda og Ølberg | Rogaland, Norway | 7 | 1 | 0 | 2005-06-10 | |
| Solveig fjæra | Troms, Norway | 1 | 1 | 0 | 2017-09-01 | |
| Solvorn | Vestland, Norway | 1 | 1 | 0 | 1993-11-29 | |
| Songebekken | Agder, Norway | 6 | 6 | 0 | 1994-10-15 | |
| Songebukta | Agder, Norway | 11 | 1 | 0 | 1994-12-05 | |
| Sortland | Nordland, Norway | 15 | 2 | 0 | 1996-10-02 | |
| Sotra | Vestland, Norway | 1 | 1 | 0 | 2011-12-12 | |
| Spervik | Vestfold, Norway | 25 | 2 | 0 | 1996-09-24 | |
| Spildepollen | Vestland, Norway | 3 | 2 | 0 | 1995-10-13 | |
| Spildervatnet | Nordland, Norway | 2 | 2 | 0 | 1990-06-06 | |
| Spildra | Nordland, Norway | 20 | 2 | 0 | 1998-10-07 | |
| Stamtjernbekken | Trøndelag, Norway | 3 | 3 | 0 | 1998-06-24 | |
| Stangodden | Agder, Norway | 5 | 1 | 0 | 1993-10-17 | |
| Stathelle | Telemark, Norway | 44 | 2 | 0 | 1998-09-23 | |
| Statland | Trøndelag, Norway | 5 | 2 | 0 | 1996-06-19 | |
| Stavern | Vestfold, Norway | 30 | 2 | 0 | 2000-12-13 | |
| Stavern | Vestfold, Norway | 13 | 2 | 0 | 1998-09-23 | |
| Stavern | Vestfold, Norway | 32 | 2 | 0 | 1999-09-29 | |
| stavneset | Trøndelag, Norway | 1 | 1 | 0 | 2008-03-04 | |
| Stavsjø | Innlandet, Norway | 6 | 3 | 0 | 1989-09-05 | |
| Steika | Vestfold, Norway | 28 | 2 | 0 | 1996-09-26 | |
| Steinsvikstranda | Møre og Romsdal, Norway | 9 | 2 | 0 | 1996-09-25 | |
| Stengelvåg | Nordland, Norway | 10 | 2 | 0 | 1995-06-08 | |
| Stensrudtjern | Oslo, Norway | 1 | 1 | 0 | 1989-09-21 | |
| Stokkavatnet | Rogaland, Norway | 1 | 1 | 0 | 2007-10-03 | |
| Stokkavatnet | Nordland, Norway | 2 | 2 | 0 | 1990-09-18 | |
| Stokkavatnet | Rogaland, Norway | 5 | 5 | 0 | 2001-05-07 | |
| Stokkbekken | Trøndelag, Norway | 3 | 3 | 0 | 1994-06-14 | |
| Stokkevannet | Telemark, Norway | 5 | 5 | 0 | 1989-09-13 | |
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