It seems like I have perfect water for them... pH around 8, slightly hard, great buffer...
But would a 10 gallon be too small? Do I need a group of them, or would 2 females be fine? I love their coloring, but I don't want to make a mistake by buying a fish that I won't be able to keep alive.

But would a 10 gallon be too small? Do I need a group of them, or would 2 females be fine? I love their coloring, but I don't want to make a mistake by buying a fish that I won't be able to keep alive.