A week ago I noticed something weird on my right side of fish near gills. Since then hes been in small hospital tank with daoly water change. I am wonderih what more can I do for him and how dangerous is it?
Also scales seem going really slightly outward and his fin on damaged side is half gone. Any help wouod be appricieted I am really worried for little guy. First pic is one where there is more white stuff near wound and newest being one with least