Of course you need a visa to visit, it is only when you go to new zealand on holiday that you do not need a visa, but only your passport and NO you can not enter australia from new zealand, you STILL need a visa. Www.immig.gov.au
No south african passport holder don't need visa for visit australia
Yes they need a visa, which I personally think is not right because australian's can visit south africa without a visa for 90 days, In my opinion south africa should also ask australians for a visa to enter
Do South African Passport Holders Need A Visa To Visit Australia?
Yes south africans do need a visa to visit australia