Time to start wearing gloves...
 

Somebody tell me this is completely harmless and I'm not going to have to tear my tank apart trying to get it out.

http://i739.photobucket.com/albums/x...6/DSC_0054.jpg

Maybe I'll just pretend I didn't see it and hope it doesn't eat anything expensive...

Looks like a bristleworm. Won't harm anything in your tank but it may harm you if you're not careful. Wearing gloves is a good idea.

Hmm. Ill be watching this one, i havent seen any bristleworms that color in my tank and mine dont move through the sand like this ones showing. Interesting.