No man can hand-fish blue fin tuna alone, meet the men who capture the giant fish using what they call the "chamber of death

Short video showing the use of sonar

This Tuna was a pending all tackle world record at the time(25/7/2007) Fishing on the charter boat Te Ariki Nui off Greymouth on New Zealands west coast.

A baskin shark was caught during a set and the crew try to release from the net in order to clear the sack