Jarvis says it was the heaviest fish he had ever caught in his lifetime along with his best fishing experience ever.
He was on board Speedy Gas skippered by Wayne Stewart to claim first prize in the event hosted by the Cook Islands Game Fishing Club.
President of CIFA Don Beer Jnr said the organisation is proud to sponsor, promote and support fishing.
Twenty boats registered for the contest with 30 fish weighed in by weighmaster Peter Webb, bringing in a total weight of 326 kilos.
Results are as follows: Heaviest Fish 64.3 kg yellow fin tuna, boat Speedy Gas, skipper Wayne Stewart; second heaviest 16.5 kg wahoo, boat Mataengo, skipper Teariki Buckley Snr and third a 15.3 kg yellow fin tuna, boat Raumati, skipper Ina Kaikura.
Heaviest aggregate (total fish): First with 80.3 kg, Dick Marsters; second 61.9 kg, Teariki Buckley Snr and third placing of 49 kg to Willie Aroita.