Family: Daphnidae
| Site | Municipality (county) | Num. obs. | Num. species | Num. images | Last obs. | |
|---|---|---|---|---|---|---|
| Takseråsdal | Agder, Norway | 1 | 1 | 0 | 2013-09-18 | |
| Tjenna | Agder, Norway | 1 | 1 | 0 | 2013-09-12 | |
| Tjennane | Telemark, Norway | 7 | 3 | 0 | 1995-09-13 | |
| Tjern ved Herlandsvatnet | Vestland, Norway | 2 | 2 | 0 | 2013-09-13 | |
| Tjødnet ved ungdomsskulen | Vestland, Norway | 1 | 1 | 0 | 2006-06-09 | |
| Todalen | Buskerud, Norway | 2 | 2 | 0 | 2013-09-03 | |
| Tornesvatnet | Rogaland, Norway | 4 | 2 | 0 | 1994-09-05 | |
| Torstaddammen | Akershus, Norway | 3 | 3 | 0 | 2013-09-11 | |
| Tussvatnet | Nordland, Norway | 2 | 2 | 0 | 1990-06-07 | |
| Tveitevannet | Vestland, Norway | 3 | 2 | 0 | 2004-04-26 | |
| Tømmervatnet | Troms, Norway | 2 | 1 | 0 | 1994-09-16 | |
| Urevann | Nordland, Norway | 1 | 1 | 0 | 1995-09-15 | |
| Vangsmjøsa | Innlandet, Norway | 3 | 1 | 0 | 2021-05-31 | |
| Vangsmjøsa | Innlandet, Norway | 1 | 1 | 0 | 2018-08-28 | |
| Varavannet | Vestland, Norway | 1 | 1 | 0 | 2013-09-03 | |
| Vassbotnen | Møre og Romsdal, Norway | 1 | 1 | 0 | 2013-09-25 | |
| Ved Svinndal kirke | Østfold, Norway | 2 | 2 | 0 | 2013-09-25 | |
| Vesttjønn | Agder, Norway | 2 | 2 | 0 | 2013-09-03 | |
| Vikerauntjønna | Trøndelag, Norway | 1 | 1 | 0 | 1993-09-17 | |
| Vålåsjøen | Innlandet, Norway | 1 | 1 | 0 | 1989-08-24 | |
| Ærdalsbassenget | Agder, Norway | 1 | 1 | 0 | 2013-09-16 | |
| Øksnevadtjern | Rogaland, Norway | 2 | 2 | 0 | 2013-09-12 | |
| Ørsjøen | Innlandet, Norway | 2 | 2 | 0 | 1994-06-07 | |
| Østeråa | Telemark, Norway | 3 | 3 | 0 | 2013-09-26 | |
| Øvre Storfjordvatnet | Nordland, Norway | 1 | 1 | 0 | 1989-09-01 | |
| Øymarksjøen | Østfold, Norway | 2 | 2 | 0 | 1997-05-29 | |
| Ågårdsdam | Troms, Norway | 4 | 4 | 0 | 2013-09-13 | |
| Ålesundsaksla | Møre og Romsdal, Norway | 2 | 2 | 0 | 1999-09-28 | |
| Åros | Akershus, Norway | 1 | 1 | 0 | 2013-09-19 | |
| Årungen | Akershus, Norway | 6 | 4 | 0 | 1996-09-16 | |
| Åstveitvannet | Vestland, Norway | 1 | 1 | 0 | 1989-09-07 |
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