Back in May at a local expo I picked up two rock flower anemones... one small (quarter-sized) orange/white "standard" and the other a nice green/red "ultra" about the size a of 50-cent coin. Acclimated, set into rockwork, all was well. They wandered a couple inches and settled down.   Then this one starts walking:   Over a couple of weeks it moved all the way under the rockscape, and tucked itself into a hole deep in the shadows. No way to get it out without damaging it. Much cursing e