Cassius the Crocodile Defies Longevity Limits with Years to Come

Cassius, a 120-year-old crocodile living in captivity in Australia, recently underwent an annual health check and was found to be "happy and healthy" with "no reason to believe Cassius will not live for years to come." At 18 feet long, Cassius is the world's largest crocodile living in captivity. Researchers don't know how long saltwater crocodiles can live for, but they can die of old age. Cassius was captured on a cattle ranch in 1984 after he attacked livestock, having roamed in the wild for up to 80 years.