fish advice

Well as most know I'm adding my court jester goby friday and I like to plan ahead. So few weeks to a month out I plan on adding a wrasse. And one is a longfin fairy wrasse and a male red head solon wrasse. I know that live aquarium says they need a 75 or larger tank but are they any success story's of having one? I found many other fish sites seeing anywhere from a minimum tank size from 50 to 75. So just wanted to get some advice there