5 attacks recorded (5 fatal)
| Date | Country | Region | Location | Fatal? | |
|---|---|---|---|---|---|
| Jan 10th 1903 | Australia | New South Wales | Lane Cove River, Sydney Harbor (Estuary) | Y | |
| Mar 12th 1903 | Australia | Queensland | Logan River | Y | |
| Jun 21st 1903 | Australia | New South Wales | Georges River | Y | |
| Jul 1st 1903 | Australia | Western Australia | Y | ||
| Jul 1st 1903 | Australia | Western Australia | Roebuck Bay | Y |