Site: Oltervatnet
| Species | Scientific name | 1989 |
|---|---|---|
| Anabaena sp. | 1 | |
| And | Anatidae sp. | 1 |
| Batrachospermum sp. | 1 | |
| Bezzia sp. | 1 | |
| Bulbochaete sp. | 1 | |
| Pea clam | Pisidium sp. | 1 |
| Microcystis spp. | 1 | |
| Rivularia sp. | 1 | |
| Scytonema sp. | 1 | |
| Stictochironomus sp. | 1 | |
| Tjønnaks | Potamogeton sp. | 1 |
| Agabus arcticus | 1 | |
| Asterionella formosa | 1 | |
| Marsh-marigold | Caltha palustris | 2 |
| Bukkeblad | Menyanthes trifoliata | 1 |
| Elvesnelle | Equisetum fluviatile | 1 |
| Mew Gull | Larus canus | 1 |
| Flaskestarr | Carex rostrata | 1 |
| Gulldusk | Lysimachia thyrsiflora | 1 |
| Hesterumpe | Hippuris vulgaris | 1 |
| White Water-lily | Nymphaea alba | 1 |
| Laks | Salmo salar | 1 |
| Lapland Bunting | Calcarius lapponicus | 1 |
| Leptophlebia marginata | 1 | |
| Dunlin | Calidris alpina | 1 |
| Nordlandsstarr | Carex aquatilis | 1 |
| Nordlig marflo | Gammarus lacustris | 1 |
| Ophryoxus gracilis | 1 | |
| Pediastrum biradiatum | 1 | |
| Pediastrum boryanum | 1 | |
| Common Raven | Corvus corax | 1 |
| Red-throated Diver | Gavia stellata | 1 |
| Snow bunting | Plectrophenax nivalis | 1 |
| Tabellaria flocculosa | 1 | |
| Tjernaks | Potamogeton natans | 1 |
| Trepigget stingsild | Gasterosteus aculeatus | 1 |
| Tusenblad | Myriophyllum alterniflorum | 1 |
| Arctic Skua | Stercorarius parasiticus | 1 |
| Brown trout | Salmo trutta | 2 |
| European eel | Anguilla anguilla | 1 |
