I fed the banana this morning and they all went mad for it! It's been there for over an hour and i would remove it but there's 4 shrimp a krib and a cockatoo eating it right now so i think i'll wait until it's unoccupied!
Next time use less banana. I used to cut mine into little pieces and drop in a few bits at a time. The fish could eat as much as they wanted and when they no longer showed any interst in it, I stopped feeding them.