The unknown darter above, "darter ??", is probably a blackside darter, Percina maculata. They're extremely common, especially in areas like the upper Tallapoosa. They're also a variable species in coloration, although the one pictured looks about typical.
I was hesitant to call it P. maculata since my yankee maculata have a rather dark teardrop, pigment in the leading dorsal and I don't seem to recall seeing a band of any kind (pigment or lack of pigment) in the dorsal.
I'm in no way refuting what you say and agree it sure looks an awful lot like P. maculata but I didn't feel confident enough to post it as such.
Thank you very much for your thoughts. I'd hoped someone would speak up on this fish
Larger image here for slightly better detail (although still quite blurry).
aamaculata.jpg 109.5KB 0 downloads