Two Brittle starfish with body disc of 2cm in diameter and 5 legs about 4cm in lenght. Sandy brownish in colour with a sort of flower pattern on body.
No interactions present.
I'm sure it's Ophiura ophiura
I agree with Chris, though would like to see the underside.
I have agreed to Mike's and so the Group has changed (from Other Organisms) with Likely. 'Amazing!
THREE MARINE PROJECTS
As I'm sure it's Ophiura ophiura. K frequently ID'd negatively when unfamiliar with something.
See,eg http://www.ispotnature.org/node/647543 & http://www.european-marine-life.org/30/photo-ophiura-ophiura-ml37.php
Yes, I'd noticed that...It'll be difficult to switch Likely there being only two of us actively involved in the post.
Lat/Lng: 50.8177628, -0.1293616
OS grid ref: TQ318036