zenmuron114, the issue may be the smaller tank size with the firefish and lineatus. I had a 4" leopard wrasse(kuitari) and the helfrici's had no issues what so ever. This guy is a bit bigger and the tank is on the smaller size. One helfrichi is coming out for every feeding, the other did the first two days but has been hiding ever since. I know there may come a point where I have to choose but I am hoping that in time the helfrichi's will feel more comfortable.
rduong89, what I know of mystery wrasses is that they are quite aggressive and many of the fairy's are pretty passive, including the lineatus. This big guy is completely non-aggressive but his shear size is initmidating. He has not paid attention to any of the fish in the tank but the other fish, Picasso pair and one bangaii cardinal, are hanging out of his way toward the back of the tank. It should be a few weeks before all is sorted out and I will know if this is a success or not.