| Number seen/Abundance | Date | Location | Comments | Recorded by |
|---|---|---|---|---|
| 1 | 2001-03-30 | Knox Reef; Farne Islands |
No information entered | Owain Gabb |
| 1 | 2001-04-09 | Inner Farne; Farne Islands |
Lower midlittoral individual 3cm long | Owain Gabb |
| 3 | 2004-04-06 | Batten Bay, Mountbatten, near Plymouth |
Found under rocks. | Seashore Safari |
| 2 | 2005-05-20 | Lindisfarne St Mary's Local Nature Reserve 1km north of Whitley Bay |
In rockpools | Barbara Brown |
| 1 | 2005-05-30 | Portscatho - seaward side of village |
No further information | Sam Parr |
| 1 | 2005-07-06 | Blackstone Rocks Blackstone Rocks - Wembury Beach |
approx 6 cm in mid shore rockpool | Cat Ridout |
| P | 2005-05-24 | Mothecombe Beach Mothecombe Beach near Erme Estuary, South Devon |
Seen by group 5, year 4-6, Jacob P, Joe, Piran Speed, Toby and James | Holbeton School |
| 1 | 2005-11-13 | Camber sands, Kent/sussex border. Lat: 50:56:02N (50.9338) Lon: 0:48:27E (0.8075) |
In the middle of a sandy beach,with the tide going out. no rock pools anywhere. Size of slug 5-6 inches | Jane & Robert barrie |
| 1 | 2003-07-14 | Wembury Rocky shore, Wembury Beach, South Devon. |
Cat Ridout | |
| Present | 2006-03-01 | Intertidal below Hen Cliff, Kimmeridge |
Steve Trewhella | |
| 1 | 2006-05-12 | Blackstone Rocks Wembury Blackstone rocks |
Mid Shore, 7cm | Cat Ridout |
| 1 | 2006-05-12 | Blackstone Rocks Wembury Blackstone rocks |
Mid Shore, 7cm | Cat Ridout |
| 1 | 2006-05-12 | Blackstone Rocks Wembury Blackstone rocks |
Mid Shore, 7cm | Cat Ridout |
| 1 | 2006-05-12 | Blackstone Rocks Wembury Blackstone rocks |
Mid Shore, 7cm | Cat Ridout |
| 1 | 2006-05-12 | Blackstone Rocks Wembury Blackstone rocks |
Mid Shore, 7cm | Cat Ridout |
| 1 | 2006-05-25 | Blackstone Rocks Blackstone Rocks |
5cm | Cat Ridout |
| 1 | 2006-05-26 | Blackstone Reef Blackstone Reef |
5cm-2 lots of eggs | Cat Ridout |
| 1 | 2006-06-08 | Blackstone Rocks Blakstone Rocks, Wembury Beach |
Middle shore, 6cm | Cat Ridout |
| 1 | 2006-06-14 | Blackstone Rocks Blackstone Rocks |
Cat Ridout | |
| 1 | 2007-03-03 | portland harbour |
Steve Trewhella | |
| 1 | 2007-05-01 | Blackstone Rocks Blackstone Rocks |
Also saw eggs nearby | Cat Ridout |
| 5 | Seen with two lots of eggs | |||
| 1 | With eggs | |||
| 2 | 2008-02-27 | Batten Bay |
In rockpools | Charlotte Marshall |
| common | 2008-03-08 | hen cliff kimmeridge |
many with eggs | Steve Trewhella |
| 8 | 2008-05-20 | Polzeath Polzeath, north side towards Pentire Point |
Laying eggs under stones, on sheltered rock faces | Paula Ferris |
| Common | 2009-02-12 | Hen Cliff Kimmeridge |
Steve Trewhella | |
| 2 | 2009-05-12 | Blackstone Rocks, Wembury Rockpools |
Under a rock | Cat Ridout |
| 1 | 2009-05-16 | Jersey, C. I. About 150 yards from high tide mark at La Rocque Harbour on Jersey\'s south coast |
About 2 inches long. Never seen before. Had to look on internet to find matching picture on your site. Sea slug was sitting on drying sand, a little way away from rock pool. Was still alive so put it under some wet seaweed attached to rock in a little pool close by. The sun was out and it didn't look like it would survive in the open | Elke Stolte |
| 4 | 2009-05-28 | Weyland Bay Rocky shore with some areas of sand. |
I saw two pairs of two underneath different boulders. Under both boulders next to the Grey sea slugs were pinkish egg masses. | Jenni Kakkonen |
| 1 | 2010-05-28 | Saunton Saunton Beach north end, down rocks comprising raised beach platform from high to low water |
Same gully, pink hue, near eggs, white tips to cerata etc | Paula Ferris |
| 1 | 19/02/2011 | Lee Bay, Ilfracombe Low shore rocks & gullies adjacent nearly parallel to sea, leading into kelp strewn with flat stones/boulders |
Jnder stone low shore | Paula Ferris |
| 3 | 18/04/2011 | Reighton rock pool under chalk cliff |
tucked under stone in rock pool. One was eating a sea anemone. | finlay mclean |
| 1 | 24/04/2011 | Crawfordsburn Country Park Rock pools at Crawfordsburn Country Park, Belfast Lough, Northern Ireland. |
Seen in very shallow water at the edge of a rock pool. | Ian Hutchings |
| 2 | 30/09/2011 | Downend, Croyde Usual gullies off fault line in wave cut rock platform |
icm & 3 cms, under stones low shore | Paula Ferris |