| Number seen/Abundance | Date | Location | Comments | Species |
|---|---|---|---|---|
| 1 | 2010-04-27 | Harlech Beach Waters edge at very low tide. |
at waters edge at low tide, still alive. | Aphrodita aculeata |
| 10 | 2010-04-27 | Harlech Beach Waters edge at very low tide. |
at waters edge at low tide. | Corystes cassivelaunus |