It might be something like pecking order, hadn't thought about that. And perhaps the cool rain triggered it off in those lower on the totem pole. I don't have that many shallow spots for them to spawn. I guess RES are then really like BG, in that they might spawn thru the year and time of year isn't mandatory?
I had some on beds about a month ago. I chalked it up to them just reaching maturity, as they were only about 4" and had just been stocked earlier this year.
How big were they?
These were bigger than any of my biggest BG that I see and can catch, so that puts them at least 8", maybe 10". So I don't see them growing that much for the maturity idea. Should have been big enough months ago. Wish I could catch one. If I did it would be the biggest catch out of the pond of a sunfish species.