Angel With Missing Bits :(

I'm at a loss.I've treated for finrot and velvet(was in the tank,now clear)
Water stats are all fine and all the other fish are perfect.This one is still pushing through for food and swimming,slowly,but good.
Any ideas whats wrong?

Edit...I forgot to say,this is actually looking a LITTLE better,the tail looked a little more raw until today

As long as the redness is going and there are no signs of fungus, you might just have to wait; the fins will take a while to grow back (they might never grow back completely)

A dose of Melafix might help.

What size tank, what do you have for tankmates?

Tank is 42 usg.I know too small for adult angels,but they are going in my 180 gal soon.
tankmates
1 pearl gourami
9 black neons
7 green neons
6 emerald eye rasboras
8 peppered corys
7 coral platies
1 sucking loach
And now the angel is confusing the hell out of me,2 days ago he was swimming the green mile,now he's knocking the others out of the way to get to my hand for food!