Fig. 2

Detections of individual dusky and Galapagos sharks at Cascade (red) and Kingston (blue) piers. The ‘x’ symbol indicates the date of tagging and the circle and square symbols represent detections from individuals tagged at Cascade or Kingston, respectively. The vertical red line marks the last day of detections available at Cascade Pier before the receiver was lost. The vertical grey stripes highlight approximate periods when Norfolk Island experienced cyclones or other extreme weather events.