10 attacks recorded (4 fatal)
| Date | Country | Region | Location | Fatal? | |
|---|---|---|---|---|---|
| Feb 3rd 1930 | Australia | Western Australia | Onslow | N | |
| Feb 15th 1930 | Australia | Victoria | Middle Brighton, Port Phillip | Y | |
| Feb 20th 1930 | Australia | Torres Strait | N | ||
| Jun 4th 1930 | Australia | Torres Strait | Near Mabuiag Island | Y | |
| Aug 31st 1930 | Australia | Western Australia | Geraldton | N | |
| Nov 30th 1930 | Australia | Queensland | St. Helena Island, Moreton Bay | N | |
| Dec 1st 1930 | Australia | New South Wales | Parramata River | Y | |
| Dec 2nd 1930 | Australia | Victoria | Rosebud | N | |
| Dec 13th 1930 | Australia | New South Wales | Sailor Bay, Middle Harbour, Sydney | Y | |
| Dec 25th 1930 | Australia | New South Wales | Homebush Bay, Parramatta River, Sydney | N |