Don't the Stalsbergi have white on their tail, like the white saum, anyway? What is the difference?

I was thinking one white male 2 orange female but I really like my orange male and don't want him to goIt is possible to have a harem of Rivulatus. One male to 4-5 females, tank must be larger though ~ 125 gallons or more.
GT cock fest lolYeah I'm pretty sure Stanzzzz is already talking to this guy on another thread he started about GT's lol