Site: Arendal
| Species | Scientific name | 2013 |
|---|---|---|
| Albusnegl | Patella sp. | 1 |
| Bladder Wrack | Fucus vesiculosus | 1 |
| Blåskjell | Mytilus edulis | 1 |
| Butt sandskjell | Mya truncata | 1 |
| Oarweed | Laminaria digitata | 1 |
| Flatøsters | Ostrea edulis | 1 |
| Grisetang | Ascophyllum nodosum | 1 |
| Haneskjell | Chlamys islandica | 1 |
| Irish moss | Chondrus crispus | 1 |
| Purpursnegl | Nucella lapillus | 1 |
| Storstrandsnegl | Littorina littorea | 1 |
| Stort kamskjell | Pecten maximus | 1 |
| Sugar Kelp | Saccharina latissima | 1 |
| Sea grass | Ulva intestinalis | 1 |
| Trollkrabbe | Lithodes maja | 1 |
| Vanleg rekeklo | Ceramium virgatum | 1 |
| Landlady's wig | Desmarestia aculeata | 1 |
| Knivskjell | Ensis sp. | 1 |
| Red algae | Rhodophyceae indet. | 1 |
| Starfish | Asteroidea indet. | 1 |
