Pick one: rainbow or roseline?
I'm having so much fun deciding what fish to put in my new 75-gal low-tech medium planted tank; in addition to a school of harlequin rasboras, I would love to have a group of either rainbow fish (boesmanii or other?) or roseline sharks (which are apparently barbs, not sharks).
My water pH is somewhat high.
The substrate and many rocks are black or dark, and there is a variety of plants.
Which species would you choose?
(if you have a suggestion besides those two, please don't hold back!)
Thanks for your ideas!