THE world's biggest crocodile has suddenly died at 120 years old, a wildlife sanctuary said on Saturday.
Cassius, measuring an incredible 18ft long and weighing more than a ton, lived tucked away on an island off the coast of Australia.
The scaly beast once prowled the nation's waterways by attacking boats and snatching cattle.
Cassius then became the star attraction at the Marineland Melanesia Crocodile Habitat on Green Island, off the coast of Cairns, Queensland.
But Cassius had been in declining health since October 15, the sanctuary said on Facebook.
"He was very old and believed to be living beyond the years of a wild Croc," a post by the organisation read.
"Cassius will be deeply missed, but our love and memories of him will remain in our hearts forever."
The group's website said he had lived at the sanctuary since 1987 after being transported from the neighbouring Northern Territory, where crocodiles are a key part of the region's tourist industry.
Cassius, a saltwater crocodile, held the Guinness World Records title as the world's largest crocodile in captivity.
He took the title after the 2013 death of Philippines crocodile Lolong, who measured 6.17 m (20 ft 3 in) long, according to Guinness.
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