Ok, so I was nosy and called the fish feeder place. I talked to a nice gentleman who told me there are a total of 4 fish feeders on Disney Property. The solar panel on top charges a little battery that runs a timer. When it's time, a little wheel spins and dispenses the food. It's "floating catfish food" pellets. I didn't ask where else the feeders are because by the time I got to that I think he was starting to think I was either a) just plain crazy or some kind of fish spy. So there you have it!