I love goldfish but my tank is only 12 gallons and currently has 2 male guppies. Its setup for tropical fish. What fish do you suggest I get?
Also, how do you think a female betta would do with guppies?

Related posts:

1. what is the best filtration system for a 55 gal tank that has fancy goldfish and some tropical fish?
2. Just bought a 20 Gallon Long aquarium– what tropical fish are compatible with fancy goldfish?
3. What is the best tropical fish to get that's easy?
4. If I put a couple tropical fish in my Betta's tank, would I have to lower the water temperature?
5. Is it ok to feed a Betta Fish tropical fish food?