multiple tangs not tags

Hi all, looking to add my final fish-stock step, three tangs to my Peninsula 650 - Question, before I head out searching for the perfect trio (Thinking two yellow, one purple). Theres plenty of space for them to each find territory but, to minimise potential conflict, think i'm best looking for...

@4FordFamily how do you pull it off!? I have a bristletooth. If I add any new fish he goes apex predator. I recently added a wrasse,blenny,goby and he punks them all day long. I would like to add another tang or two but I’m worried I’ll have a war on my hands. What do you guys do, when you are...