Fish questions!

[EdsonFOWLR]

Anyone have experience with the following fish, orange spotted sleeper goby, Engineer goby, Baugai Cardinal? The gobys I haven't seen any more after the second day and I wounder if they are still alive. The Baugai Cardenl doesent seem to eat as much as the little fire fish I have. Also at the same time I added a Christmas wrasse that hid under the sand for a day and when it did come out it was breathing really hard and just layed on the sand. After a few hours it died. The rest of the inverts (skunk cleaner shrimp, coral banded shrimp) and fish are fine. Just woundering if I should worrie about the gobys and what happened to the wrasse. The tank is a 122 Gallon FOWLR tank.