Mytilus edulis
| Participant | Municipality (county) | Num. obs. | Num. species | Num. images | Last obs. |
|---|---|---|---|---|---|
| Færder videregående skole | Vestfold, Norway | 244 | 1 | 0 | 1999-10-22 |
| Tromøy ungdomsskole | Agder, Norway | 220 | 1 | 0 | 2005-09-22 |
| Tingsaker skole | Agder, Norway | 212 | 1 | 0 | 2001-10-08 |
| Erdal ungdomsskole | Vestland, Norway | 203 | 1 | 0 | 1995-10-13 |
| Brunla ungdomsskole | Vestfold, Norway | 197 | 1 | 0 | 1999-09-29 |
| Jordet skole | Vestfold, Norway | 187 | 1 | 0 | 2008-09-11 |
| Samfundets skole Egersund | Rogaland, Norway | 184 | 1 | 0 | 2023-09-26 |
| Varden ungdomsskole | Vestfold, Norway | 179 | 1 | 0 | 2000-05-30 |
| Mesterfjellet ungdomsskole | Vestfold, Norway | 170 | 1 | 0 | 1998-09-24 |
| Melsom videregående skole | Vestfold, Norway | 165 | 1 | 0 | 1998-09-22 |
| Sandgotna skole | Vestland, Norway | 140 | 1 | 28 | 2020-06-12 |
| Frydenlund skole | Nordland, Norway | 140 | 1 | 0 | 1998-11-24 |
| Store Bergan skole | Vestfold, Norway | 139 | 1 | 0 | 2005-09-28 |
| Ranvik ungdomsskole | Vestfold, Norway | 136 | 1 | 0 | 1997-10-09 |
| Grødem skole | Rogaland, Norway | 114 | 1 | 0 | 1997-10-14 |
| Borgheim ungdomsskole | Vestfold, Norway | 112 | 1 | 0 | 1998-09-21 |
| Myklebust skule | Møre og Romsdal, Norway | 110 | 1 | 0 | 1997-10-09 |
| Blomdalen ungdomsskole | Agder, Norway | 109 | 1 | 0 | 1995-09-21 |
| Torød skole | Vestfold, Norway | 107 | 1 | 0 | 1999-09-29 |
| Hårkollen skole | Vestfold, Norway | 107 | 1 | 0 | 1998-09-24 |
| Stokke ungdomsskole | Vestfold, Norway | 105 | 1 | 0 | 2001-05-08 |
| Grasmyr ungdomsskole | Telemark, Norway | 99 | 1 | 0 | 1998-09-23 |
| Vestskogen skole | Vestfold, Norway | 97 | 1 | 0 | 2001-05-21 |
| Bjerkvik barne- og ungdomsskole | Nordland, Norway | 95 | 1 | 0 | 1998-09-29 |
| Hafrsfjord skole | Rogaland, Norway | 93 | 1 | 0 | 1998-09-28 |
| Liland skole | Nordland, Norway | 93 | 1 | 0 | 2004-10-05 |
| Helgerød skole | Vestfold, Norway | 93 | 1 | 0 | 1998-09-17 |
| Stinta skole barne- og Ungdomstrinnet | Agder, Norway | 92 | 1 | 0 | 1997-10-03 |
| Husvik skole | Vestfold, Norway | 91 | 1 | 0 | 2000-11-07 |
| Berg skole | Vestfold, Norway | 86 | 1 | 0 | 1997-09-24 |
| Alteren skole | Nordland, Norway | 85 | 1 | 0 | 2002-09-27 |
| Tvedestrand skole | Agder, Norway | 84 | 1 | 0 | 1998-09-24 |
| Ringshaug ungdomsskole | Vestfold, Norway | 84 | 1 | 0 | 1997-09-26 |
| Samfundets skole Sentrum | Agder, Norway | 81 | 1 | 0 | 2011-09-08 |
| Kirkevoll skole | Vestfold, Norway | 80 | 1 | 0 | 2001-09-18 |
| Hisøy ungdomsskole | Agder, Norway | 79 | 1 | 0 | 1997-10-02 |
| Hauge skole | Rogaland, Norway | 75 | 1 | 0 | 1997-10-16 |
| Hvaler ungdomsskole | Østfold, Norway | 75 | 1 | 0 | 1996-09-25 |
| Mathopen skole | Vestland, Norway | 73 | 1 | 36 | 2020-10-13 |
| Hundvåg skole | Rogaland, Norway | 73 | 1 | 0 | 2000-12-07 |
| Ytterøy skole | Trøndelag, Norway | 73 | 1 | 0 | 1997-09-23 |
| Fjære barneskole | Agder, Norway | 72 | 1 | 0 | 1998-09-07 |
| Tjodalyng ungdomsskole | Vestfold, Norway | 71 | 1 | 0 | 1997-09-16 |
| Sandnes skole | Agder, Norway | 71 | 1 | 22 | 2017-10-25 |
| Sandeåsen skole | Vestfold, Norway | 70 | 1 | 0 | 1997-10-09 |
| Sjøholt skule | Møre og Romsdal, Norway | 69 | 1 | 0 | 2001-09-24 |
| Brentemoen skole | Agder, Norway | 67 | 1 | 0 | 1997-10-02 |
| Statland skole | Trøndelag, Norway | 63 | 1 | 0 | 1996-06-19 |
| Harøy skule | Møre og Romsdal, Norway | 62 | 1 | 0 | 1998-10-30 |
| Grindløkken skole | Vestfold, Norway | 61 | 1 | 0 | 1996-09-19 |