Really weird looking hitchiker

[Palmer]

Haven't been able to get a picture of it yet because it is so reclusive but I am going to try tonight and I am even considering setting up a video camera on a tripod to see if I can record it when I am not there.

I realized after reading what I wrote that it will be hard to suggest what this is without a picture. I dont think it is a mantis because I got a good look at it last night and it doesn't look like a mantis at all. I don't have any experience with sea slugs/snails and nudibranches but my best guess is it is one of these by the appearance. Although because I have no experience with them I do not know how common it is for them to burrow in LR. Another coincidence is I have a Diatom explosion that just happened because it is a new tank and I recently put my lighting in. Perhaps it is coming out of the rock to sample the diatoms....?

Palmer