Many backyards are home to a fishpond but they mostly contain goldfish or an introduced species. A native fishpond is an excellent alternative but you need to choose your species carefully.
As long as they have the right environment, native fish will live happily for many years. They need the correct food, enough oxygen and healthy water. Different fish need different conditions - some need a large deep pond, some need shallow water with a large surface area, some need shade and some a lot of sun. They all need native water plants to hide in and lay eggs on, and protection from predators.
If you have frogs in your garden, be careful which fish you put in your pond - many will eat the tadpoles. Introducing any native species to your garden is a delicate balance between welcoming native wildlife and maintaining a balanced habitat.
A common mistake is to overstock your pond. Different species of native fish will require more or less space and an overstocked pond will result in toxic buildup and an algal bloom. Start with a few and see how they go. You can always add more but if the conditions are right you won't need to as your fish will breed.
There are many good resources available on the internet about establishing a native fish pond, choosing the right native fish for your area, which native fish you should choose to avoid disrupting frog breeding activities and so on.
Below are just a few of the great resources available on building garden fish ponds in Australia:
This website provides useful information about native plants to add to your garden pond:
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