Thanks for the tips...It does have a favorite cave I'll have to move a lot to use that rock to get it out, but maybe that will work. I was thinking of trying to make some sort of trap, maybe a peice of plastic pipe with a closed end, it i could get it to use that as a hiding place it would be easy to just block an end and take it out....I have time, I'm waiting a few weeks before I change the tank because I recently moved it. :happyfish