There is no exaggerating the size of this catch, with the biggest ever blue marlin caught in Australia reeled in off the WA coast.

The whopping marlin, which tipped the scales at 494kg – or 1089 pounds – was wrangled onto a charter fishing boat at Exmouth by Coffs Harbour angler Clay Hilbert on Monday.

Clay Hilbert from Coffs Harbour reeled in the huge fish.

The fish will be sent to the Game Fishing Association of Australia, where it will be measured and received the new national record for being the first 1000-pound marlin caught in Aussie waters, The West Australian reports .

An estimated 500 people attended the Exmouth Game Fishing Club (EGFC) clubhouse on Monday to witness the weighing.

The massive marlin officially weighed in at 494kg. (Facebook)

Former EGFC president Jen Gates told the Australian the catch's presence generated an "absolutely electric" atmosphere.

"Everyone was positive. Everyone was so amazed and pumped to see such a magnificent fish.

"It was well past the kids’ bedtimes but everyone was just very, very excited."

The record-breaking fish is expected to put Exmouth on the map as one of the best blue marlin fishing spots in the world.