| Number seen/Abundance | Date | Location | Comments | Recorded by |
|---|---|---|---|---|
| 3 | 2005-08-02 | Far pontoon, Queen Anne's Battery marina |
3 different colour morphs on Wakame and L. saccharina | Judith Oakley |
| 1 | One red/brown colour morph with egg spiral on kelp | |||
| many | 2005-06-14 | Heinrick Hay Brittany. Depth 33m under water vis>12m H2O temp 14c. |
50-100mm long dark brown and smooth, on wreckage | Sonia Rowley |
| 10 | 2007-07-05 | Downend Downend between Croyde & Saunton, North Devon |
<1mm on hydroids collected from strandline | Paula Ferris |
| 2 | 2009-06-11 | Saunton N Devon Narrow strip rocky shore, north end Saunton beach. Low neap tide |
On hydroids as above | Paula Ferris |
| 3 | 2010-05-28 | Saunton Saunton Beach north end, down rocks comprising raised beach platform from high to low water |
Found on obleia laced with eggs viewed under microscope | Paula Ferris |