When you think of Port Lincoln - the first thing that springs to mind is fishing and in particular tuna fishing - this is the home of tuna fishing and now you have the chance to go out and see how this multi million dollar industry actually works - there are tours which go out to an actual pen just outside of Boston Bay. John Riddell joins skipper Peter Dennis from Triple Bay Charters - and what they can't tell you about the tuna Industry and Port Lincoln probably isn't worth knowing!