| Number seen/Abundance | Date | Location | Comments | Recorded by |
|---|---|---|---|---|
| P | 2003-08-12 | Wembury, voluntary marine conservation area (VMCA), devon. |
Patches found all over the shore in crevices and under overhangs. Various size patches. seem most about 6cm2 | Caroline Farrell |
| O | 2002-09-07 | Batten Bay, Mount Batten, Plymouth Sound. |
Occasional, found during Seashore safari in crevices on the mid - lower shore. | Caroline Farrell |
| P | Observed throughout littoral zone. | |||
| P | 2004-04-06 | Batten Bay, Mountbatten, near Plymouth |
Small patches seen on rocks, under seaweed, from middle down to low shore. | Seashore Safari |
| P | 2004-05-06 | Batten Bay, Mountbatten nr Plymouth |
Seen under seaweed on rocks, in crevices and overhangs. | West Park Primary |
| P | 2004-06-18 | Croyde Beach Croyde Beach, North Devon. West facing rocky platform north of sandy bay. Low shore area, steep & rugged rock with deep pools & gullies. Site 3. |
Small amount on rocks | David Butt (Brauton School) |
| P | 2005-06-25 | Portwrinkle, Whitsand Bay |
Seen on rocks | Judith Oakley |
| C | 2005-07-12 | West Angle Bay West Angle Bay, Pembrokeshire |
common in crevices | Judith Oakley |
| Present | 2003-06-25 | Wembury Wembury Beach, South Devon |
Lots seen. | Cat Ridout |
| occasional | 2006-06-13 | Batten Bay Batten Bay, PLymouth |
Judith Oakley | |
| Lots | 2006-06-05 | Portscatho |
On overhangs | |
| occasional | 2005-08-16 | Kingswear mouth of river dart estuary east side off coastal path |
under v. low tide rocks and tucked into crevises, v. wet conditions both species together. | Sonia Rowley |
| abundant | 2005-08-22 | sugary cove dartmouth westside lowsprings |
Low shore | Sonia Rowley |
| common | 2005-08-24 | East side of sugary cove - Dartmouth |
lowshore on rocks and in caves | Sonia Rowley |
| 2007-12-07 | Metal ring on rocks 100m from 'Plage' slipway, St Anthony in Roseland towards opp headland. Sheltered shore, little wave action. Rocky down to shore, seaweed dominates. |
5m below high tide mark | John Nicholson | |
| 2007-12-07 | Metal ring on rocks 100m from 'Plage' slipway, St Anthony in Roseland towards opp headland. Sheltered shore, little wave action. Rocky down to shore, seaweed dominates. |
10m below high tide mark | John Nicholson | |
| Frequent | 2008-01-12 | Mount Batten, Plymouth |
Seashore Safari | |
| masses | 2011-01-20 | Portreath harbour entrance A narrow North Cornwall coast harbour. Very exposed. Some sand/mud, some loose rocks.Mostly hard rock. |
all over the harbour wall | Treve Opie |
| 05/03/2011 | Gyllyngvase Beach, Falmouth Rocky shore |
Large patches under overhangs and underside of rocks. | Kristie Wilkinson |