It features footage of fishermen diving into tuna pens to wrestle sharks in order to protect their multimillion-dollar stock.
A year after its release, the film was acknowledged by the southern bluefin tuna industry as having helped raise its public profile and boosted related tourism activity in the town of Port Lincoln.
[4] The film follows fishermen from the Stehr Group as they journey from the fishing town of Port Lincoln on Eyre Peninsula along the continental shelf to the north-west and into the Great Australian Bight.
A brief stop-over in the town of Streaky Bay also features, but most of the story transpires at sea in the Southern Ocean.
[6] An earlier documentary film (circa 2003) entitled Tuna Cowboys was produced by NHNZ for the National Geographic channel.