Are sea cucumbers territorial?

AcroSteve

Make my Funk a P-Funk
I have two in my 180 and one of them has ended up in the sump at least twice now. It is also a lot smaller than the other one. I got them at the same time and they look the same, other than size.

I was just wondering what it could be that is driving it out of the sandbed and up the rockwork and glass.
 
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