Sea Cuke?

[abiathar]

Found this on my rock when I was putting it in and lost it for a few days, don't think it like too much light and decided to move. It is about 1-1.5 inches long and grayish-brown with little tentacles/bristles. It looks more like a sea cucumber than a worm but I'm not sure. Hopefully somebody will be able to ID it. I didn't see any cukes in the pic library.

Steve

 

[Anonymous]

If I didn't know any better I'd say that was a coral polyp of some kind. Can you get a better photo of it, maybe with a flash? It definitely moves and is soft to the touch? It could be a cowrie or other gastropod with the little fleshy spikes, but I doubt it is a sea cucumber.