
Tracking great whites —
Great white shark Mary Lee was tagged in September 2012 by research nonprofit Ocearch. Her movements are logged in near real-time on the organization's online shark tracker.

Tracking great whites —
Katharine is raised out of the water on a custom shark lift.

Tracking great whites —
Co-captain Brett McBride maneuvers Betsy onto the shark lift.

Tracking great whites —
McBride jumps into the submerged shark lift.

Tracking great whites —
Expedition leader Chris Fischer, right, and deck hand Brandon Eyre attach a tag to Katharine's dorsal fin. The tag is designed to capture real-time data for five years. A separate orange tag captures data for two weeks before detaching.

Tracking great whites —
White shark Lydia is raised up on the shark lift. She was captured, tagged and released off the shore of Jacksonville, Florida, in 2013.

Tracking great whites —
The team watches Lydia swim off the shark lift with her tags.


