WHEN Paul Hollingdale moved to Macleay Island four years ago, he had to relearn familiar waters from a very different perspective. This time fishing the southern end of Moreton Bay rather than the northern grounds he once knew well. A former volunteer with Marine Rescue at Sandgate, Mr Hollingdale said the transition required a practical reset. “Thank goodness for GPS,” he said. For Mr Hollingdale, 65, the move was not his first experience of a literal sea change.