Meh, it doesn't "ruin" the species - just changes them a bit.
And a good example of it terrorizing your flame angel in those pictures! lol
They're pretty, but such a belligerent complex.
Congrats, and looks good! Prazi would be advisable while in QT, and don't worry if they don't figure out the sand dish for a day or two - that's pretty normal but they always figure it out after a bit. If they don't take to frozen foods quickly, then go to live blackworms first.
I thought I had a good one of my old one too, but all I can find are pre-darkened ones.
So the best example I can come up with are Marvin's pics from 2011: