| Number seen/Abundance | Date | Location | Comments | Recorded by |
|---|---|---|---|---|
| P | 2004-05-31 | Insh Island North-west corner Insh Island at 20 - 25 metres depth |
On the cliff face | Colin Robson |
| 3 | 2005-06-19 | Wreck of the King Cadwallan, Scilly Isles, on the Hard Lewis Rocks. 36 meters deep, underwater visibility 8-9 meters, slight current. SE 5. Sea temperature 13 degrees. |
Up to 4 cm long, blue glands. Generally gorgeous exposed on wreckage. | Sonia Rowley |
| 2 | 2005-10-26 | marina pontoons, Falmouth, Cornwall |
Feeding on bryozoan on kelp growing on pontoon | Judith Oakley |
| common | 2005-06-14 | Heinrick Hay Brittany. Depth 33m under water vis>12m H2O temp 14c. |
Up to 8cm long, common throughout wreck | Sonia Rowley |
| abundant | 2005-06-14 | Princess Ena Brittany. Depth 42m under water vis >12m water temp 14c. |
Found dotted all over wreck | Sonia Rowley |
| 8 | 2005-06-16 | Wreck of dost vlanderen guernsey |
+ eggs in series of oval capsules | Sonia Rowley |
| 2 | 2005-06-13 | Wreck of the Fetlar. Depth 20m >17m u/water vis |
7-8cm long, blue digestive glands and tips, on wreckage | Sonia Rowley |
| 1 | 2009-06-24 | Lee Bay, Ilfracombe Lines of low shore rocks running parallel to shore, fulleys filled with kelp and serrated wrack, on serrated wrack. |
On slab of rock, clear of weed shore side of rock near low water. 3cm | Paula Ferris |