ewest, could the last picture be a female RES? I see a combination of male and female BG in all the other pictures.

To the OP:
There is a great photo ID series on sunfish in the archives.


www.hoosierpondpros.com

[Linked Image from lh6.ggpht.com]
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3/4 to 1 1/4 ac pond LMB, SMB, PS, BG, RES, CC, YP, Bardello BG, (RBT & Blue Tilapia - seasonal).