Rødtvet skole
| Species | Scientific name | 1996 | 2016 |
|---|---|---|---|
| Reker, tanglopper o.a krepsdyr | Crustacea Samlegruppe | 2 | |
| Sjøfugl | Aves Sjøfugl | 2 | |
| Bladder Wrack | Fucus vesiculosus | 4 | |
| Blåskjell | Mytilus edulis | 16 | |
| Giant Garden Slug | Limax maximus | 2 | |
| Fjæremark | Arenicola marina | 1 | |
| Glassmanet | Aurelia aurita | 6 | |
| Grisetang | Ascophyllum nodosum | 2 | |
| White-lipped Gardensnail | Cepaea hortensis | 1 | |
| Brown-lipped Snail | Cepaea nemoralis | 2 | |
| Gray field slug | Deroceras reticulatum | 1 | |
| Nordkøllesnegl | Clausilia bidentata | 1 | |
| O-skjell | Modiolus modiolus | 1 | |
| Purpursnegl | Nucella lapillus | 1 | |
| Rød brennmanet | Cyanea capillata | 7 | |
| Serrated Wrack | Fucus serratus | 4 | |
| Ålegras | Zostera marina | 4 | |
| Skilpaddesnegl | Tectura sp. | 1 | |
| Strandsnegler | Littorina sp. | 9 | |
| Tare | Laminaria sp. | 2 | |
| Hagesnegler | Helicidae indet. | 1 | |
| Kamskjell | Pectinidae indet. | 2 | |
| Lofamilien | Charadriidae indet. | 2 | |
| Rur | Balanidae indet. | 4 | |
| Krabber | Brachyura indet. | 6 | |
| Beinfisk | Actinopterygii indet. | 5 | |
| Starfish | Asteroidea indet. | 5 | |
| Molluscs | Mollusca indet. | 2 | |
| Brown algae | Phaeophyta indet. | 11 | |
| Green algae | Chlorophyta indet. | 16 | |
| Red algae | Rhodophyta indet. | 9 |
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