Site: Røyvannet
| Species | Scientific name | 1989 | 1993 | 1994 | 2000 |
|---|---|---|---|---|---|
| Baetis sp. | 1 | ||||
| Chironomus sp. | 1 | ||||
| Coenagrionidae indet. | 1 | ||||
| Corixidae indet. | 1 | ||||
| Gerridae indet. | 1 | ||||
| Limnephilus sp. | 1 | ||||
| Nøkkerose | Nymphaeaceae indet. | 1 | |||
| European perch | Perca fluviatilis | 1 | 1 | ||
| Agabus sturmii | 1 | ||||
| Baetis niger | 1 | ||||
| Baetis rhodani | 1 | ||||
| Beautiful Demoiselle | Calopteryx virgo | 1 | 1 | ||
| Bosmina longispina | 1 | 1 | |||
| Botnegras | Lobelia dortmanna | 1 | |||
| Buttsnutefrosk | Rana temporaria | 1 | 1 | ||
| Centroptilum luteolum | 1 | ||||
| Cyclops scutifer | 1 | ||||
| Cyrnus trimaculatus | 1 | ||||
| Daphnia longispina | 1 | ||||
| Diaphanosoma brachyurum | 1 | ||||
| Diura nanseni | 1 | 1 | |||
| Flaskestarr | Carex rostrata | 1 | |||
| Flotgras | Sparganium angustifolium | 1 | |||
| Gelékreps | Holopedium gibberum | 1 | |||
| Gyrinus substriatus | 1 | ||||
| Heptagenia fuscogrisea | 1 | 1 | |||
| Heptagenia sulphurea | 1 | 1 | |||
| Hoppekreps | Eudiaptomus gracilis | 1 | 1 | ||
| Hundeigle | Erpobdella octoculata | 1 | |||
| Hydropsyche pellucidula | 1 | 1 | |||
| Ilybius fuliginosus | 1 | ||||
| Cat | Felis catus | 1 | |||
| Kellicottia longispina | 1 | 1 | |||
| Keratella cochlearis | 1 | ||||
| Leptophlebia marginata | 1 | ||||
| Leptophlebia vespertina | 1 | ||||
| Leuctra fusca | 1 | ||||
| Liten vannløper | Gerris lacustris | 1 | |||
| Macrocyclops albidus | 1 | ||||
| Nemoura avicularis | 1 | ||||
| Nipigget stingsild | Pungitius pungitius | 1 | |||
| Nordskivesnegl | Gyraulus acronicus | 1 | |||
| Eurasian Jay | Garrulus glandarius | 1 | |||
| Onychogomphus forcipatus | 1 | ||||
| Padde | Bufo bufo | 1 | |||
| Paracyclops fimbriatus | 1 | ||||
| Polycentropus flavomaculatus | 1 | ||||
| Polycentropus irroratus | 1 | ||||
| Polyphemus pediculus | 1 | ||||
| Pyrrhosoma nymphula | 1 | ||||
| Common Raven | Corvus corax | 1 | |||
| Rhyacophila nubila | 1 | ||||
| Arctic char | Salvelinus alpinus | 1 | 1 | ||
| Sialis lutaria | 1 | ||||
| Mallard | Anas platyrhynchos | 1 | |||
| Stor ryggsvømmer | Notonecta glauca | 1 | |||
| Taeniopteryx nebulosa | 1 | ||||
| Tufted Duck | Aythya fuligula | 1 | |||
| Trepigget stingsild | Gasterosteus aculeatus | 1 | |||
| Brown trout | Salmo trutta | 1 | 1 | ||
| distincta | 1 | ||||
| falleni | 1 | ||||
| Stingsildfamilien | Gasterosteidae indet. | 2 | |||
| Døgnfluer | Ephemeroptera indet. | 1 | |||
| Vannlopper | Cladocera indet. | 1 | |||
| Hoppekreps | Copepoda indet. | 1 |
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