I have an occelaris in QT that has not eaten in 10 days and is getting very weak. Can a fish die of loneliness? 5 weeks ago we picked up 3 fish from LFS: 1 occelaris, 1 flame hawkfish, and 1 royal gramma. They all went into a 10 minute ruby reef hydroplex dip and then a fully cycled QT with fiji pink sand and a branacle cluster. 36 hours later the gramma had died hiding in the barnacle. I removed the barnacle. 10 days later the flame hawk had velvet. I gave the clownfish and hawk a dip in 150 ppm H2O2 and cleaned the tank, removing the sand to bare bottom. QT was reset with ruby reef rally and dropping salinity for 3 days. The hawkfish seemed to recover. I removed everything and cleaned again while the fish bathed in light methylene blue. Transferrd tank to copper power at 1 ml/gallon about 1.7 ppm. One week later the hawkfish had velvet again. I bathed both fish again in H2O2 followed with rally, but hawk didn’t make it in Rally. Through all of this, the clownfish was always hanging out with the hawkfish and snuggling him, for kack of a better term. He even was nudgeing the hawkfish in the last bath as I was trying to make him breath. The clownfish bever showed any symptoms of velvet, but he seemed to lose his appetite along the way. After the hawkfish died, i set the QT up with copper power again and added decor to help him stress less and brought the salinity back up because apparently that’s not even effective for velvet. I also noticed his poop was white and stringy, so I dosed API General Cure every other day 4 times to water. He would not eat the medicated food I made. His poop is still stringy and white, but that could just be starvation mucus. Is it possible he is lonely? I still don’t see any outward symptoms. Yesterday I sanitized the tank again with h2o2 and gave him a bath of it and added all clean water no meds and freshly hatched bbs. He is still not eating.