I have a 6 lined wrasse. I have had him for about a month. He got ich and I treated it and he was doing fine! He was eating swimming actively and being a fish. Until today, I woke up and noticed all my fish were out and he wasn’t he was hiding in a rock and he looked stuck so I moved the rock a little to see if he was stuck and he came out and went back to the rock all fine. So I was like idk maybe he just wants to chill. I then proceeded to do a water change just in case something was in the water and he wasn’t happy about it. So I went to work and come home and he cant even swim! It was so sad seeing him struggle and now he is lying down and just sitting their. I fed my tank and none of the food made his way so he didn’t eat and didn’t even look interested in food. Before I fed the tank I did a freshwater dip thinking he might have a parasite and I did that for about 3 minutes and he is the same. What should I do?