Nice looking fish you have there.
I would say peppermints 1 and 3 are males, 4 is def a female. I am not sure about 2 as the pic makes it hard to say but gun to my head i would go with male.
I reckon the orangespot is a male too.
Often the way, if you got them from a fish shop or breeder, they prob gave you the biggest ones, and males grow faster therefore by chance you get mostly males
However, this is not all bad. If you got your fish from the same place chances are they aree brother and sister...not good for breeding. Look on here and in your local area for people who have peppermints as well and see if you can trade for some different bloodlines. It will pay off in the long run
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