Species: European perch (Perca fluviatilis)
| Site | Municipality (county) | Num. obs. | Num. species | Num. images | Last obs. | |
|---|
| Stensrudtjern | Oslo, Norway | 1 | 1 | 0 | 1989-09-21 | |
| Stokkevannet | Telemark, Norway | 1 | 1 | 0 | 1989-09-13 | |
| Store Nesttunvann | Vestland, Norway | 1 | 1 | 0 | 2012-09-26 | |
| Sundkilen | Telemark, Norway | 3 | 1 | 0 | 2012-09-20 | |
| Svartåstjern | Buskerud, Norway | 1 | 1 | 0 | 1990-09-04 | |
| Svinna | Østfold, Norway | 1 | 1 | 0 | 1994-06-24 | |
| Tjennane | Telemark, Norway | 2 | 1 | 0 | 1994-05-11 | |
| Tretjønnet | Agder, Norway | 1 | 1 | 0 | 1989-09-27 | |
| Trytetjønnet | Buskerud, Norway | 1 | 1 | 0 | 1989-09-08 | |
| Tussebekken | Akershus, Norway | 1 | 1 | 0 | 1994-09-05 | |
| Tveitevannet | Vestland, Norway | 1 | 1 | 0 | 2014-09-12 | |
| Tveitevannet | Vestland, Norway | 2 | 1 | 0 | 2014-09-26 | |
| Ulfsbakktjønn | Vestfold, Norway | 2 | 1 | 0 | 1996-09-25 | |
| Vannverket | Innlandet, Norway | 1 | 1 | 0 | 2003-02-14 | |
| Vansjø | Østfold, Norway | 7 | 1 | 0 | 2010-05-04 | |
| vollgravene gamlebyen | Østfold, Norway | 4 | 1 | 0 | 2014-05-14 | |
| Østernvannet | Akershus, Norway | 1 | 1 | 0 | 1990-08-28 | |
| Øvre Hoelsjø | Akershus, Norway | 1 | 1 | 0 | 1994-09-12 | |
| Åletjern | Telemark, Norway | 6 | 1 | 0 | 2005-10-20 | |
| Årungen | Akershus, Norway | 2 | 1 | 0 | 1991-09-16 | |
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