So looks like everything is settled and happy. I finally got my aquascaping done the way I want it so when i add more LR i wont disturb any of the other
Yes, that is the Diamond Tetra, Moenkhausia pittieri. They are indeed beautiful in a planted tank that is not brightly lit. Yours are very beautiful
This can work, depending upon the water. If it is "pure" in the sense of distilled or Reverse Osmosis, you may need to add some mineral back.
there really isn't much you can do other than what you did do.
it's most often caused by the angel trying to evacuate something from it's
I remember a LFS told me a decade ago that they were on the endangered list so they could no longer sell them. I assumed this was true until I looked