If they have been together for a while, you likely won't see any fighting. I agree, one does look older than the other. If you want to hatch showgirls from them, you can get them either some regular silkies or more showgirls, although showgirls can be harder to find, but either combination can throw showgirls.
BTW, thanks for the compliment!
BTW, thanks for the compliment!