I can't find Nemo!

My one year old percula clown jumped out of the tank last Saturday night. He used to sleep right on the surface against the glass. I am guessing that it got scared and jumped a bit and that was enough for him to clear the back of the tank. In the mornings, while the lunar lights were on, I could hear him his splash on the surface scared as you walked by the tank. This is not my first fish suicide. A couple of months back I lost a beautiful wrasse. In prior years, I have lost others. A six line wrasses and an awesome valentini puffer comes to mind. I am pretty upset about this one though. My son called him Marlin (Nemo’s dad). My son has not realized yet that Marlin is gone. I guess it’s back to the store now and the question is to replace or to get something different.