3 weeks ago tomorrow my lionfish began laying on the bottom of the 90 gallon tank. No signs of disease, he just stopped swimming around. And he stopped eating. He would randomly move about the tank and lay in different spots. Ive tried feeding him with a feeding stick but it scares him. i treated with melafix but it didnt help him. He has no signs of ICh. He isnt breathing heavily and gills are not inflamed. Tomorrow is 21 days that he hasnt eaten! 21 days with no food and he is still laying on the bottom, alive. It defies logic. He still randomly moves about but it seems like its very hard for him to move. Some days are better than others. I have NO idea whats going on. I want to help him but i dont know what to do. Im building up a biologcal filter for my QT tank but that takes time unfortunately. Its very hard to get food down to the lion even if he was eating becasue he shares the tank with a healthy HUNGRY Harlequin Tusk. Help?!?