| Hydra sp. | | 13 | 14 | | 12.06.1992 |
| Polyppdyr (Hydrozoa indet.) | | 6 | 12 | | 17.09.2001 |
| Hydroider (Hydroidea indet.) | | 4 | 16 | 1 | 15.10.2014 |
| Tanghydroide (Dynamena pumila) | | 2 | 2 | | 07.11.2002 |
| Laomedea sp. | | 1 | 6 | | 11.06.2001 |
| Hydrozoa indet. | | 1 | 2 | | 16.02.2001 |
| Sikksakkhår (Laomedea flexuosa) | | 1 | 1 | | 07.11.2002 |
| Aequorea vitrina | | 1 | 1 | 1 | 17.09.2014 |