| Igler (Hirudinea indet.) | | 2007-09-24 | 2007-09-24 | | Tveitevannet (Vestland, Norway) |
| Flimmermakk (Turbellaria indet.) | | 2007-09-24 | 2007-09-24 | | Tveitevannet (Vestland, Norway) |
| Buksvømmere (Corixidae indet.) | | 2007-09-24 | 2007-09-24 | | Tveitevannet (Vestland, Norway) |
| Vannløpere (Gerridae indet.) | | 2007-09-24 | 2007-09-24 | | Tveitevannet (Vestland, Norway) |
| Snails (Gastropoda indet.) | | 2007-09-24 | 2007-09-24 | | Tveitevannet (Vestland, Norway) |
| Døgnfluer (Ephemeroptera indet.) | | 2007-09-24 | 2007-09-24 | | Tveitevannet (Vestland, Norway) |
| Gråsugge (Asellus aquaticus) | | 2007-09-24 | 2007-09-24 | | Tveitevannet (Vestland, Norway) |
| Ryggsvømmere (Notonectidae indet.) | | 2007-09-24 | 2007-09-24 | | Tveitevannet (Vestland, Norway) |
| Vårfluer (Trichoptera indet.) | | 2007-09-24 | 2007-09-24 | | Tveitevannet (Vestland, Norway) |
| Vannløpere (Gerridae indet.) | | 2006-10-11 | 2006-10-10 | | Tveitevannet (Vestland, Norway) |
| Skivesnegl (Planorbidae indet.) | | 2006-10-11 | 2006-10-10 | | Tveitevannet (Vestland, Norway) |
| Hoppekreps (Copepoda indet.) | | 2006-10-11 | 2006-10-10 | | Tveitevannet (Vestland, Norway) |
| Vannkalver (Dytiscidae indet.) | | 2006-10-11 | 2006-10-10 | | Tveitevannet (Vestland, Norway) |
| Buksvømmere (Corixidae indet.) | | 2006-10-11 | 2006-10-10 | | Tveitevannet (Vestland, Norway) |
| Damsnegl (Lymnaeidae indet.) | | 2006-10-11 | 2006-10-10 | | Tveitevannet (Vestland, Norway) |
| Vårfluer (Trichoptera indet.) | | 2006-10-11 | 2006-10-10 | | Tveitevannet (Vestland, Norway) |
| Døgnfluer (Ephemeroptera indet.) | | 2006-10-11 | 2006-10-10 | | Tveitevannet (Vestland, Norway) |
| Stor ryggsvømmer (Notonecta glauca) | | 2006-10-11 | 2006-10-10 | | Tveitevannet (Vestland, Norway) |
| Flimmermakk (Turbellaria indet.) | | 2006-10-11 | 2006-10-10 | | Tveitevannet (Vestland, Norway) |
| Gråsugge (Asellus aquaticus) | | 2006-10-11 | 2006-10-10 | | Tveitevannet (Vestland, Norway) |
| Igler (Hirudinea indet.) | | 2006-10-11 | 2006-10-10 | | Tveitevannet (Vestland, Norway) |
| Gråsugge (Asellus aquaticus) | | 2006-09-11 | 2006-09-11 | | Tveitevannet (Vestland, Norway) |
| Fåbørstemark (Oligochaeta indet.) | | 2006-09-11 | 2006-09-11 | | Tveitevannet (Vestland, Norway) |
| Flimmermakk (Turbellaria indet.) | | 2006-09-11 | 2006-09-11 | | Tveitevannet (Vestland, Norway) |
| Muslingkreps (Ostracoda indet.) | | 2006-09-11 | 2006-09-11 | | Tveitevannet (Vestland, Norway) |
| Vårfluer (Trichoptera indet.) | | 2006-09-11 | 2006-09-11 | | Tveitevannet (Vestland, Norway) |
| Hoppekreps (Copepoda indet.) | | 2006-09-11 | 2006-09-11 | | Tveitevannet (Vestland, Norway) |
| Vannlopper (Cladocera indet.) | | 2006-09-11 | 2006-09-11 | | Tveitevannet (Vestland, Norway) |
| Igler (Hirudinea indet.) | | 2006-09-11 | 2006-09-11 | | Tveitevannet (Vestland, Norway) |
| Muslingkreps (Ostracoda indet.) | | 2006-05-16 | 2006-05-12 | | Tveitevannet (Vestland, Norway) |
| Vårfluer (Trichoptera indet.) | | 2006-05-16 | 2006-05-12 | | Tveitevannet (Vestland, Norway) |
| Midd (Acari indet.) | | 2006-05-16 | 2006-05-12 | | Tveitevannet (Vestland, Norway) |
| Gråsugge (Asellus aquaticus) | | 2006-05-16 | 2006-05-12 | | Tveitevannet (Vestland, Norway) |
| Damsnegl (Lymnaeidae indet.) | | 2006-05-16 | 2006-05-12 | | Tveitevannet (Vestland, Norway) |
| Flimmermakk (Turbellaria indet.) | | 2006-05-16 | 2006-05-12 |  | Tveitevannet (Vestland, Norway) |
| Ryggsvømmere (Notonectidae indet.) | | 2006-05-16 | 2006-05-12 | | Tveitevannet (Vestland, Norway) |
| Steinfluer (Plecoptera indet.) | | 2006-05-16 | 2006-05-12 | | Tveitevannet (Vestland, Norway) |
| Hoppekreps (Copepoda indet.) | | 2006-05-16 | 2006-05-12 | | Tveitevannet (Vestland, Norway) |
| Vannlopper (Cladocera indet.) | | 2006-05-16 | 2006-05-12 | | Tveitevannet (Vestland, Norway) |
| Døgnfluer (Ephemeroptera indet.) | | 2006-05-16 | 2006-05-12 | | Tveitevannet (Vestland, Norway) |
| Buksvømmere (Corixidae indet.) | | 2006-05-16 | 2006-05-12 | | Tveitevannet (Vestland, Norway) |
| Igler (Hirudinea indet.) | | 2006-05-16 | 2006-05-12 | | Tveitevannet (Vestland, Norway) |
| Skivesnegl (Planorbidae indet.) | | 2006-05-16 | 2006-05-12 | | Tveitevannet (Vestland, Norway) |
| Vannløpere (Gerridae indet.) | | 2005-09-19 | 2005-09-19 | | Tveitevannet (Vestland, Norway) |
| Hoppekreps (Copepoda indet.) | | 2005-09-19 | 2005-09-19 | | Tveitevannet (Vestland, Norway) |
| Vannkalver (Dytiscidae indet.) | | 2005-09-19 | 2005-09-19 | | Tveitevannet (Vestland, Norway) |
| Vårfluer (Trichoptera indet.) | | 2005-09-19 | 2005-09-19 | | Tveitevannet (Vestland, Norway) |
| Buksvømmere (Corixidae indet.) | | 2005-09-19 | 2005-09-19 | | Tveitevannet (Vestland, Norway) |
| Igler (Hirudinea indet.) | | 2005-09-19 | 2005-09-19 | | Tveitevannet (Vestland, Norway) |
| Stor ryggsvømmer (Notonecta glauca) | | 2005-09-19 | 2005-09-19 | | Tveitevannet (Vestland, Norway) |
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