Very cool looking pond... Look in the archives under the sunfish primer. There are photos there of the different sunfish species. You can also just plug redear sunfish or shellcracker into Google and do a search. Many more photos will come up...

For most, RES are extremely hard to catch outside of their spawning season. So you may not be catching any this time of year. They are most likely there though. Especially if you stocked advanced sized fish like you did...