just had my rbta, that I have only had for 2 weeks or so meet one of my powerheads. I have noticed the thing moving around the tank quite a bit. I kept having to move a frag or two for worry of sting. Its color was always vibrant and I have 9watts p/gal of light so I cant imagine it wasnt getting enough light. But cant for the life of me figure out why it would have gone into a powerhead a foot away from any rock at the top corner of my tank. Never had one before though, i didnt think it would move around so much... Real shame it was beautiful. Anything catch your eyes before I submit another one to this? Maybe I jsut got a traveler. It was right after a water change and it had shrunk down behind the rock during so.