CB1 this may help

Coppernose bluegill have 12 soft rays on their anal fin as opposed to 11 soft rays found on the regular bluegill. Coppernose have fewer but wider vertical bars on their sides than do regular (common or native ) bluegill. Coppernose also have orange margins to their fins. Male coppernose has a broad copper band above the eye or forehead and are prominent during spawning season.