James B.;1753279; said:One of my Oscars had something that looked like that when it was young, I never did find out what it was for sure but i figure it was a cut that got infected as he loves to dig and would constanly bang his head on the decor and then dig through the gravel.
I just uped the water change to 25-35% every 2 days and it cleared up and has not come back since, that was about 6 -8 months ago.
James B.;1756883; said:He was like 4 or 5 inch.