Wrasses
I have only recently (4 months) gotten into Fairy wrasses. I was inspired by vids on You Tube showing tanks with multiple sp. of Fairy wrasses.
They seemed to be doing it using only males, the most colourfull any way.
So... I have added a Rubrimarginatus, Aurantidorsalis, Scotts and Pyles with no problems in a 300gal system. The Pyle's only went in Last night but seemed ok will check today when I get home from work.
I would think your plan should work as long as there are hiding/sleeping places for every one.
Good luck!
Keith.
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