Bolivian rams get upto 4 inches long and are not suitaqble for a 10G tank. 
I would get German blues. They stay 2 inches and are much prettier. With the fish you have, i would get at least 20 or maybe 30G tank.
I would get German blues. They stay 2 inches and are much prettier. With the fish you have, i would get at least 20 or maybe 30G tank.