Hi Ron
You can never be sure that they will learn to coexist.
I had a majestic, a flame and a cherub together in the same tank a 125G.
The flame almost killed the cherub at first however after a couple of days they settled down. The flame chases the cherub from time to time until the cherub died from other causes. I would add the cherub and about a month later add the flame.
Tom R
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