Species: Rød brennmanet (Cyanea capillata)
| Site | Municipality (county) | Num. obs. | Num. species | Num. images | Last obs. | |
|---|
| Justøya | Agder, Norway | 4 | 1 | 0 | 1996-10-11 | |
| Jørstadneset | Rogaland, Norway | 4 | 1 | 0 | 1996-05-29 | |
| Jåsund, Meling, Haga | Rogaland, Norway | 9 | 1 | 0 | 1993-09-28 | |
| Kaldvellfjorden | Agder, Norway | 32 | 1 | 0 | 1998-09-24 | |
| Karl Johans vern | Vestfold, Norway | 3 | 1 | 0 | 1994-09-23 | |
| Karlsvikodden | Vestfold, Norway | 5 | 1 | 0 | 2008-09-09 | |
| Kjenestangen | Agder, Norway | 1 | 1 | 0 | 1993-09-24 | |
| Kjøpmannsskjær | Vestfold, Norway | 8 | 1 | 0 | 1993-12-22 | |
| Kleiva | Nordland, Norway | 5 | 1 | 0 | 1993-10-13 | |
| Kleppestø | Vestland, Norway | 8 | 1 | 0 | 1993-09-30 | |
| Klåmbra-Ryggen | Møre og Romsdal, Norway | 6 | 1 | 0 | 1997-09-22 | |
| Kolbeinsrød | Vestfold, Norway | 33 | 1 | 0 | 1996-09-19 | |
| Kollevåg | Vestland, Norway | 9 | 1 | 0 | 1996-10-02 | |
| Kolvereid | Trøndelag, Norway | 6 | 1 | 0 | 1996-09-23 | |
| Kongsgårdbukta | Agder, Norway | 4 | 1 | 0 | 1995-10-16 | |
| Kopervik | Rogaland, Norway | 3 | 1 | 0 | 1996-10-16 | |
| Kringlevågen | Vestland, Norway | 5 | 1 | 0 | 2001-06-11 | |
| Krogshavn | Telemark, Norway | 1 | 1 | 0 | 1993-09-24 | |
| Kuvågen | Vestland, Norway | 26 | 1 | 0 | 1995-10-17 | |
| Kvaløysletta | Troms, Norway | 2 | 1 | 0 | 1993-11-12 | |
| Kvamsøy | Møre og Romsdal, Norway | 4 | 1 | 0 | 1995-09-18 | |
| Kvernavika | Rogaland, Norway | 1 | 1 | 0 | 1994-09-28 | |
| Kyrkjebø | Vestland, Norway | 14 | 1 | 0 | 1997-09-24 | |
| Kyrksæterøra | Trøndelag, Norway | 4 | 1 | 0 | 1995-06-07 | |
| Lamøya | Vestfold, Norway | 1 | 1 | 0 | 1994-11-04 | |
| Lamøya | Vestfold, Norway | 2 | 1 | 0 | 1995-10-17 | |
| Lande | Agder, Norway | 32 | 1 | 0 | 1995-09-21 | |
| Langangen | Telemark, Norway | 29 | 1 | 0 | 1998-09-16 | |
| Langøy | Vestfold, Norway | 49 | 1 | 0 | 2001-05-08 | |
| Langøya | Vestfold, Norway | 8 | 1 | 0 | 1996-10-10 | |
| Larkollen | Østfold, Norway | 10 | 1 | 0 | 1995-10-13 | |
| Larvik | Vestfold, Norway | 7 | 1 | 0 | 1993-09-27 | |
| Lesundet | Møre og Romsdal, Norway | 6 | 1 | 0 | 1993-10-21 | |
| Levangsheia | Telemark, Norway | 12 | 1 | 0 | 1995-10-06 | |
| Liland | Nordland, Norway | 43 | 1 | 0 | 2003-09-30 | |
| LIland | Nordland, Norway | 1 | 1 | 0 | 2004-10-05 | |
| liland 1 | Nordland, Norway | 1 | 1 | 0 | 2004-10-05 | |
| Lillesandsfjorden | Agder, Norway | 15 | 1 | 0 | 1994-10-17 | |
| Lund/Eggemarka | Trøndelag, Norway | 2 | 1 | 0 | 1995-01-02 | |
| Lundenes | Troms, Norway | 9 | 1 | 0 | 1993-08-31 | |
| Lyngørfjorden | Agder, Norway | 10 | 1 | 0 | 1993-09-10 | |
| Lødingen | Nordland, Norway | 10 | 1 | 0 | 1998-09-29 | |
| Løvøya | Vestfold, Norway | 12 | 1 | 0 | 1998-09-17 | |
| Magerøya | Trøndelag, Norway | 8 | 1 | 0 | 1996-10-15 | |
| Malangseidet | Troms, Norway | 1 | 1 | 0 | 1993-11-04 | |
| Manger | Vestland, Norway | 2 | 1 | 0 | 1993-10-18 | |
| Marifjøra | Vestland, Norway | 3 | 1 | 0 | 1996-10-18 | |
| Marikoven | Vestland, Norway | 7 | 1 | 0 | 1994-10-20 | |
| Melsomvik | Vestfold, Norway | 51 | 1 | 0 | 1998-10-06 | |
| Meløy | Nordland, Norway | 9 | 1 | 0 | 1995-09-14 | |
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