It looks like one of the chromis died in the last day or so. I had 4 in there before the cold snap hit a week ago. That took out 2 when the temp in the tank dropped down to quickly. I ended buying a second heater so it could keep up in the heating when it's cold.
I tried looking to see if I could find both but wasn't able to. I then did a feeding and only 1 went for the food. Highly unusual. I can normally spot the other as he has a regular hiding spot. However a couple of days ago, the one that I still have starting picking on the other guy. Nipping at his fins and such. Yesterday everything looked to be back to normal. The one swimming all around and the other in his little spot. Today....nothing.
I think my emerald crabs had another good meal.
On the plus side, I bought 2 clown fish on Saturday and they look to be doing quite well in the quarantine tank.