What is the most beautiful, and exciting, tropical freshwater fish, that I can purchase for my aquarium?


I have a 20 gallon tank.

Hey, I don't know if you have any other fish in the tank, or if it's cycled, so take both of those in consideration. Here is a list of some beautiful smaller fish that may do well in your 20 gallon tank:
bettas (no fin nippers in the tank, and no fish with long fins in there)
honey gourami
dwarf gourami
sparkling gourami
german blue rams (very sensitive to water qualtiy, mine is gorgeous though!)
bolivian rams (not as colorful as the german, but much more hardy)
boesemani rainbowfish
threadfin rainbowfish
red rainbowfish
lake kutubu rainbowfish
neon rainbowfish
celebes rainbowfish
chocolate lyretail killifish
clown killifish
red killifish
goldenwonder killifish
paradise fish
banded dwarf cichlid
borelli's dwarf cichlid
cockatoo, crested dwarf cichlid
blue cheek dwarf cichlid
blue sky apisto
rainbow crib (a bit on the big side)
poor man's discus

Of course you will have to research compatibility and water conditions, but this will hopefully get you started.

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