Hey Jay - thanks for the quick response!
I was thinking the mark around the eye is HLLE, shes had that going on for a few months now which i've been trying to help along with better nutrition.
The tail fin does look a little bit ragged, i think that is fairly new as well, did not really notice until you pointed it out.
I'm fairly sure it developed over night but not 100%, i spent a good amount of time around the tank last night but its possible it was small and i missed it.
The other fish in the tank are; clowns, chromis, hippo tang, firefish goby, and watchman goby.
I included some more pictures in better lighting as well if that helps.