hey guys i have a flower horn with a decent size hump, he has done fine for a long time then one day he got sick and his head looked like it got smaller. After he recovered i feed him the usual diet of various hikari products but his hump diddnt seem to get back to its original size. i even tried changing his diet to chingmix and grand sumo, it looked like it was getting back to its original size then overnight boom back to looking like it deflated with a lot of wrinkled skin.... andbody know why this is???? anybody got any suggestions??? ive never had this problem with any other of my FHs before and im stumped.... please any and all help ius greatly appreciated, thanks