Update on Saturday 11 February at 8:35am
The City of Fremantle, Town of East Fremantle and Town of Mosman Park have reopened beaches along the Swan River within their respective jurisdictions.
DPIRD Fisheries officers will continue to conduct water-based patrols in the area over the weekend.
DPIRD recommends additional caution in the Swan River, Fremantle and the surrounding area.
Switch on your Sea Sense and stay informed of shark activity information by checking the SharkSmart website, download the SharkSmart WA app or follow Surf Life Saving WA Twitter.
If you see a shark, report it to Water Police on 9442 8600.