| Number seen/Abundance | Date | Location | Comments | Species |
|---|---|---|---|---|
| Abundant | 2009-06-03 | Ardrossan, Ayrshire Ardrossan North Beach. Shallow sandy bay. Tidal range 2.5 metres. Lugworms, Marram Grass and small sandunes. |
On large boulders around the car park. Photo is on Wikimedia Commons. | Caloplaca marina |
| Common | 2009-06-04 | Fairlie Fairlie Bay, overlooking Cumbrae and Hunterston Deep water quay |
Amongst rocks | Carcinus maenas |