| Number seen/Abundance | Date | Location | Comments | Recorded by |
|---|---|---|---|---|
| R | 2000-05-11 | Knox Reef; Farne Islands |
No information entered | Owain Gabb |
| 1 | 2005-04-09 | Batten Bay Batten Bay, Plymouth Sound |
No further information | Seashore Safari |
| 2 | Young spat on settlement plates | |||
| common loads | 2005-09-17 | Start bay. Tinsley reef. Shingly bottom vis < 1m. |
Up to 7cm long: on seabed and attached to shells | Sonia Rowley |
| 9 | 2006-11-29 | kimmeridge |
Live washed up on the beach | Steve Trewhella |
| common | 2008-01-08 | Chesil Cove Chesil beach dorset |
on fish box | Steve Trewhella |
| 1 | 2008-06-22 | Yealm Estuary |
washed up on seaward beach, open, snapped shut when picked up and returned to sea | Jon Parr |
| 200+ | 01/04/2012 | Deer sound, Orkney sandy bay , eel grass, kelp forest, maerl bed |
penny martin |