| Number seen/Abundance | Date | Location | Comments | Recorded by |
|---|---|---|---|---|
| frequent | 2011-02-02 | Llanidan Shore of the Menai Strait south of Brynsiencyn |
Clustered on Fucus serratus plants on the lower shore(tide = 1.2m acd) | Paul Brazier |
| 10 | 08/04/2011 | Mount Edgecumbe The rocky shore around the point of Mount Edgecumbe. |
Small, on rocks | Bex House |
| 2 | 02/06/2011 | Batten Bay Rocky shore at Mount Batten |
Marlin Beach Rangers |