I have huge 11years old 2.5feet long ID shark.. BT from past 20days my ID shark is not eating anything.. Despite of not eating her belly looks as fat as it before..I used to feed her 4-5 times a day so she is bit fat.. BT now she is not eating anything.. The skin around her left gills is swollen..also the left stomach is appears more bloated than right. And since yesterday she is behaving weirdly.. She freaks out on anything.. I m treating her with Epsom salt and rid all anti itch.. BT nothing works.. Plz plz plz do help me.. I dnt wanna lose her.. She is with me from my childhood..plz help me