Like 10 or more?Greg F said:They can be a bit rowdy but if you have them in a big enough group they generally bicker among one another and leave everyone else alone. If you have several hiding places where the rams can go if they feel they need to I think they will be fine.
Thank you for the helpGreg F said:Cory's absolutely. I would do more than 6 in a tank that size . 10 maybe.
I have no personal experience with silver dollars but understand they get big , need to be in groups of 6 or more and will decimate any live plants you have. If it were me I would go with something smaller. Maybe Odessa barbs?