Riley Elliott is studying the elusive Blue Shark. He's in the Bay of Islands to attach the first of his high tech satellite transmitters.

Stewart Island is the home to the Great White Shark. Their residency provides the experience of diving with these sharks at close quarters.

Why is the East Australian Grey Nurse is the only shark in the world that is critically endangered? Riley heads to North Queensland to find out.

How likely is it to be eaten alive by a shark? Riley is out to debunk the myths around shark attacks.

Riley is on a mission out to the blue water off the east coast of New Zealand in search of the stunning Mako Shark.

It's the middle of summer and Pauanui Beach has been closed due to sharks. Riley needs to clear the sharks away from the beach so that summer crowds can return to the water.