Your murrays will eat a lot more plants and greens than the els's btw. I use the dried nori sheets from supermarket, just soak in water for a few min and throw it in, they love it. Also zucchini is really good, mostly peeled small sections. Try and wedge it in somewhere under the water. Unless you have an abundance of plants they will eat them all.
If I was going to get large pond fish I would prob get koi. Or a croc lol.
If I was going to get large pond fish I would prob get koi. Or a croc lol.