Are there any dwarf cichlids that can thrive in a 20 gallon high aquarium?

[SCM_2123]

Is it possible to keep any species of dwarf cichlid in a 20 gallon high aquarium with tankmates? This can be as a single species tank or with tankmates. Open to cichlids from any continent.

 

[tlindsey]

Is it possible to keep any species of dwarf cichlid in a 20 gallon high aquarium with tankmates? This can be as a single species tank or with tankmates. Open to cichlids from any continent. Small specie of Apistogramma.

 

[danotaylor]

This question will come, what is your source water pH?
If you have hard alkaline water, you could start a small colony of Tanganyika shell dwellers like neolamprologus multifasciatus or similis or a single pair of caudopunctatus