I'm assuming your 90g is a four footer & that's not enough space to give the percs a chance to get away from the Maroons. I have a breeding pair of Ocellaris with my pair of Gold Stripes but they each take one half of a six foot tank, with their own LR structure & host anemone (although Oc. host Rhodactis shrooms). Like the others have stated already, maroons are the most aggressive clowns & getting them to co-habitate with other clowns requires luck & lots of tank space.
Anthony
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