GSM "digging" and won't stop

[deynon09]

I got a couple of GSM's a little while ago and the larger female is really annoying me. I got them a purple neon tip anemone and they hosted it immediately. They all are in the front of the tank at the bottom and under a rock and the female keeps fanning about 3" deep of sand out of the way. When I go up to the glass, she'll look at me, turn around and fan sand at me, then I'll go to another part of the tank and she'll do the exact same thing. I keep pushing the sand back and she pushes it out of the way. I wouldn't mind so much if she'd stop once in a while, but she never does. If I let it go, she'd dig to the bottom. I'm setting up my QT and was going to move her to that, but is this behavior normal?

 

[Behrmon]

Very normal and pushing the sand back is a loosing battle. Moving your anemone up if it is low might help.

 

[deynon09]

When I do, It moves back under the rock.

 

[stingythingy45]

I have a blue damsel that does the same thing.
I know this is bad etiquette,but I've often thought about making a mini-spear gun.

 

[Mini4x]

Sometimes they are looking for food, had a yellow damsel that used to kick up sand all the time, he was eating stuff that was living in the sand.