Best tank mates for killifish?

[NatureFish]

I have two lyretail killifish, one male and one female. I heard they can be very aggressive towards their tank mates so are there any suitable tank mates if at all?


NatureFish
????

 

[NatureFish]

By the way it's a ten gallon tank with a high Ph.


NatureFish
????

 

[Brookster123]

Breed em.. keep it species only..

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