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Marine investigation:

Changing numbers of Grey nurse sharks

at Seal Rocks (Statis Island), NSW, Australia

Media story connected with this work:

Changes in the abundance of Grey nurse sharks (GN sharks)

across eleven years:

(2014-15 through to 2024-25; Statis Island within the The Shark slot)

​

Note that the abundance values are only adjusted for unavoidable differences in the length of the transect.

Grey nurse shark - double figure.png

Peaks in autumn appear to be associated with increased food, i.e. the arrival of sea mullet, yellow-tails & bream. Other predators also increase at this time, i.e. bottle-nose dolphins, Australian gannets & commercial fisherman.

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