Got a False Percula a few days ago, seems to have been doing just fine. I come home now, after being out of town, all the lights were out. He is staying in the corner of the tank, about 1/2 way down from the top, where the current is fairley strong. He is swimming against the current, straight up and down. Does not seem to be struggleing ( not breathing hard anyway) , But just doesn't seem right to me. I tried turning off the powerhead for that end of the tank, he just moved over to the other end, where the current was strong. Is this normal behavior?