After seven months of ratification, it is now official: 18-year-old Koby Duncan has set a new World Record for catching the largest Cobia on a line, weighing 79.6kg.

Click PLAY to hear about the record.

Peter Golding, who held the record for 40 years, spoke to Perth Today host Simon Beaumont about this achievement and explains that he still holds a world record.

“His was nearly 20kg bigger than mine.” he said

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Image: Supplied