If you want a multicolored tank with great, nevertheless smaller fish in it you can think about a school of Mosquito Chili Rasboras. I would say this type of Betta is a bit harder to keep due to fragile crownlike fin texture. You'll be able to position them in community https://www.tumblr.com/aquariumcustom/770258710307143680/why-should-you-buy-a-fish-aquarium-online?source=share