| Hydra sp. | | 13 | 14 | | 1992-06-12 |
| Hydrozoans (Hydrozoa indet.) | | 6 | 12 | | 2001-09-17 |
| Hydroider (Hydroidea indet.) | | 4 | 16 | 1 | 2014-10-15 |
| Tanghydroide (Dynamena pumila) | | 2 | 2 | | 2002-11-07 |
| Laomedea sp. | | 1 | 6 | | 2001-06-11 |
| Hydrozoa indet. | | 1 | 2 | | 2001-02-16 |
| Sikksakkhår (Laomedea flexuosa) | | 1 | 1 | | 2002-11-07 |
| Aequorea vitrina | | 1 | 1 | 1 | 2014-09-17 |