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So about 6 months ago I got a couple chinese algae eaters for my 10 gal betta tank. The tank had been fully cycled when they were put in and at first they seemed to be doing just fine. The two would play with each other back and forth and my betta didn't mind the company, in fact it almost looked as if he would play with them as well.
A few weeks ago one of my algae eaters started changing colors and growing more aggressive. He also seemed to be growing faster than the other one as well(I bought them both at about 2 inches.) He became such a bully that the other algae eater started hiding all the time looking obviously stressed so I took him out and placed him in my other 25 gal tank. He is not aggressive toward any of the fish in his new home but he continues to swim sparaticly around the tank as if confused or crazed. He does still eat though.The coloring has changed to his whole head being white, almost albino, new black stripes in his fins, the black line on his side has shortened and almost became triangular. I'll attach a video of the movement and look. Used to look normal and act normal but now it seems he's going mad. Does anyone have any idea what's happening? My water paramaters in the betta's tank were stable as far as I could read for everything. My water changes are 20% every week. What could cause something like this?
A few weeks ago one of my algae eaters started changing colors and growing more aggressive. He also seemed to be growing faster than the other one as well(I bought them both at about 2 inches.) He became such a bully that the other algae eater started hiding all the time looking obviously stressed so I took him out and placed him in my other 25 gal tank. He is not aggressive toward any of the fish in his new home but he continues to swim sparaticly around the tank as if confused or crazed. He does still eat though.The coloring has changed to his whole head being white, almost albino, new black stripes in his fins, the black line on his side has shortened and almost became triangular. I'll attach a video of the movement and look. Used to look normal and act normal but now it seems he's going mad. Does anyone have any idea what's happening? My water paramaters in the betta's tank were stable as far as I could read for everything. My water changes are 20% every week. What could cause something like this?
