Angel sick?

[Black Hair Algae]

One of my angels is hanging near top of tank in a corner. Its 'skin' looks pale, like it has a glassy white film on it, almost like when a lizzard sheds it skin........any insight? Water parameters look fine, I keep my temp at 29c and feed them a variety of flakes and frozen foods...

Any ideas?

Thanks for the help.

[Toss]

Any other fish in the tank with similarcondition? If he/she is the only one with the symptom, remove him to separate tank, like 10gal with the original tank water and gradually (10% at time ) do a lot of water change. Any white spot/dot? increase the temp to 31C slowly (1 degree/6hrs). Any white stringy poo? Could be internal or external parasite. Choose the med carefully. good luck