As long as your other Tropheus variant is not another Duboisi type, Duboisi are safe to mix with all other Tropheus without any hybridization.
Please keep in mind, that a 125 is only good for about 40 Adults Tropheus if they are the only fish in the tank.
Please keep in mind, that a 125 is only good for about 40 Adults Tropheus if they are the only fish in the tank.