Can anyone ID this BC Invertebrate?

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Roko

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I can't seem to find this one in my reference books. I'd guess some sort of anemone? Found at Whytecliff park outside Vancouver at around 25m.

unknown.jpg
 
Funny you should say that, I'm currently processing a photo of a Golden Dirona I took on the very same dive :)

Unfortunately, I don't think that's it. At the base of what you can see in the picture is a white cylindrical body extending into the crack. In the centre of the white "branches" (for a lack of a better term) there appears to be an anemone-like mouth.
 
I'm pretty sure Max is right. It's not uncommon to have the body of the animal buried in a crack in the rock, and only the feeding tentacles visible. I've never seen one so limp, though -- I wonder if it was unwell.
 
Thanks! I never thought of cucumbers. Do the Red Sea Cucumbers really have that much colour variation within the species? The body was rather cream/white, with orange frills. Some more photos of different ones from the same dive, The second with a VERY red Red Sea Cucumber :)

BurrowingCucumber2LQ.jpgRedCucumberLQ.jpg
 
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I think it's actually the Orange sea cucumber, Cucumaria miniata. Here's another image:

orngecuc3.jpg
 
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