my Red Mandarin has been with me over a year now. She knows to not go onto or touch the RBTA and eats frozen when i give it to her. but ive got plenty of pods to keep her happy when i dont. THEY DO GO EVERYWHERE lol. slopes dont really matter to them since mine goes up the the thop of my tank to sit on one of my koralias and investigate the back for any pods. it loves the fragrack as well. By far my favorite fish in the tank. but the buying pods plan isnt really that ethical as they get expensive quick.