Check the pH of the water in the tank. Clamped fins can sometimes be a sign of pH xhock brought on by a drastic swing. What exactly are you treating the water with?

cichlid savage;1212291; said:If all water parameters are fine I wouldnt worry to much about it. He's probably just unhappy with you messing around in the tank. Give him some time to get over it. You could always buy him some flowers![]()