Hello! My discus has suddenly developed a strange black streaking on its side. It started and spread suddenly. I cannot find anything that might match online. Any ideas??? I have no idea what treatment to even try. Thank you!!!
Attachment 21486
Printable View
Hello! My discus has suddenly developed a strange black streaking on its side. It started and spread suddenly. I cannot find anything that might match online. Any ideas??? I have no idea what treatment to even try. Thank you!!!
Attachment 21486