Question by Whatevers Clever: I have a 20 gal tank with 5 swordtails. Is it OK to add killifish with them?
I’m considering adding killifish to my aquarium. It’s 20 gallons and there’s 5 swordtails. Is it a good idea to add killifish?

Best answer:

Answer by Dustinius
I don’t suggest it. 5 swordtails in a 20 is close to maxing it out because 5 swordtails will quickly turn into many more swortails when they start breeding. You might get a small school of cory catfish for some bottom feeding fish but that is all I would suggest getting.

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