So I decided to take the advice of people here and feed my rubberlip pl*co some actual vegetables instead of just algae and shrimp pellets. So far, no go. The pl*c just ignores the lettuce I put in there. I also tried feeding this to my dempsey, my convicts and my guppies. None of them are interested. I now have a head of lettuce rotting in my fridge that no one wants. Are there other kinds of veggies the pl*co or my other fish would eat?