Longear(LES) and Redbreast(RBS) are both basically stream species, that although preferring streams can survive in ponds. They are very closely related. Both reach a maximum size of about 12" with 10" being like a 12" BG, not very common! I would say the average size for both species is around 5"-6", with 8" being large. As I recall correctly there are as many as 6 different subspecies of LES. The northern LES subspecies doesn't reach as large a size as the other subspecies and some scientists feel it is a distinct species. Each subspecies has unique coloration and some are considered prettier than others. Perhaps a specialty market will emerge as more pond owners become aware of species other than BG and RES...

Greg, Zetts Tri State fish hatchery in WV sells brown bullheads. I am not sure if that is the source you found. They are the only one I know of.