Thanks for the info. The next question would be: how many? They don't need to be in a school, right? Does the ratio of male to female matter? My only concern would be my GBR, but he doesn't bother my other fish. I have cherry barbs, cpd's, guppies, cories, a swordtail and a platy.
1 Gallon Bowl - White/Purple Half Moon Betta
1.5 Gallon - Blue Veil Tail Betta
2.5 Gallon - Red/Blue Veil Tail Betta
2.5 Gallon - Pea Puffer
5.5 Gallon - RCS, Ghost Shrimp, Ember Tetras, Sparkling Gouramis, Bumble Bee Gobies
10 Gallon - Pure Black Bar Endlers
29 Gallon - Planted Community - Cherry Barbs, Neon Tetras, Various Cory Cats, Albino Bristlenose Pleco