- Nov 17, 2020
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If you get some good matting aquatic plants then you should be able to keep some larger fish in there as well. When I was younger my mother had a pond that had a ton of breeding guppies in it (in Sydney, they actually do OK in the Sydney winter), as well as some much larger fish. The guppy fry would hang out in the aquatic plants until they were big enough to go it in the open. Some would get eaten, but they are such prolific breeders that it barely dented the population (probably kept the guppies in check more than anything). How many rainbow fry do you have? My mother's pond was so dense with guppies we had to periodically take them out and give a hundred to the fish shop.I’d like to add some comets to our pond just for colour but they eat the rainbow roe and fry so I won’t. The rainbows breed freely in our pond and they don’t eat frog eggs.
Frogs eggs are a different story I guess, they could get chomped by larger fish, but then generally they will lay in the weed mat too... though tadpoles are kinda stupid when it comes to keeping hidden.