Beamer:
Hope your manderin is still alive today. I think you will find that it will not survive if you put it back in with your hawk. Manderins are slow very easy going fish and has little it can do in defense from an overly-aggressive attacker. The only thing I can suggest is partition your tank until the two become somewhat accustomed to seeing each other. This goes along the lines of having many places for the manderin to hide in. I'm sure you realize moving any fish leaves them somewhat bewildered and lost. Mandy will learn the hiding places and perhaps stay out of the bullies way. Even better, if possible, you could remove the hawk for awhile. This would make Mandy the accustomed fish in the tank.
Do you realize that manderins have very special eating habits. If you do aquaint these fish you still have the problem of feeding Mandy. It is rare to get them to eat any but live foods.
Good luck
Wally _________ Glass 90 and 110, skimmer in both 30 gal. sumps, 1150 GPH, plus a 75 gal fuge!! Yellow tang, several damsels, 2 lg flower anems, brown & rose BTA's (8" dia.) with 3 perculas, 5 ricordia, dozens shrooms, dozens of yellow, brown and green polyps, lots of snails, hermits, bugs and 3 inch worms. Mangroves, caulerpa, LR, LS, pics coming  | 
