| Number seen/Abundance | Date | Location | Comments | Recorded by |
|---|---|---|---|---|
| abundant | 2007-09-28 | Oxwich Bay, right hand side on and around rocks leading to Oxwich point, Gower |
on seaweeds eg F seratus and kelps | Judith Oakley |
| one patch | 09/03/2012 | Lee Bay Ilfracombe low shore gulley with floor of flat boulders |
300 x 150 cms on ledge/vertical gulley wall at 1m height | Paula Ferris |