Stay away from Chinese Algae eaters (Gyrinocheilus aymonieri). I've tried these and my discus first got bit then got even. There wasn't enough left to fishout with anything but a very fine net. I've kept discus with tri-colors, tin foils, red fin prochilotus (yea I know not even close with the spelling). Mine had no problem compeeting for food, one had a strange hatred for the 12" tri colors and kept stealing their food. They grew to about 8-9" not quite dinner plates but large. They were not the high body variant from Asia, never like that variant visually.



