Since this thread appears to have taken over from the other one, I'll post here.
That looks nasty. Is it just the photos or is her spine bent? That's never a good sign but it often happens naturally to old fish just like some old humans get hunchbacked. Do you know how old she is?
We also need a bit more info. Water stats (ammonia/nitrite/nitrate/temperature/pH) would really help us if you have them.
How big is the tank, what else is in it and how long has it been set up?
Then listen to Wilder!!!