Super Shark Highway

A look at the different types of sharks that live in earths oceans, while cameras follow a dangerous tagging mission in South Australia.

The northern team attach an activity tag to a bull shark, before diving 80 metres deep to put a satellite tracker on a great white.

Investigating whether Greenly Island is popular with migrating great whites, as well as searching for a connection between northern bull sharks and their cooler-climate cousins.