Tell tale sign with livebearers is males have a gonopodium. It's too hard for me to tell at that angle in the pictures, but take a good look yourself and it should be pretty evident.
Tell tale sign with livebearers is males have a gonopodium. It's too hard for me to tell at that angle in the pictures, but take a good look yourself and it should be pretty evident.
It's not what most people here would have advised, but at this point there isn't much you can do except make sure you are keeping water quality up to par. Do you have a good test kit for ammonia, nitrite, and nitrate?