Why is the presence of a male necessary?
-- Oh, I see .. they mate (or "meet up with") the sailfin molly, the shortfin molly, the common molly & the broadspotted molly.I am confused; I thought this species of #Fish was an All Female contingent.
Hmmm, that's interesting. Learned something NEW today - thanx.
I Like your Profile name, btw -- 'Rocking Dave' ! ☻
I'm glad you found that interesting. I personally found that a fascinating evolutionary quirk.