Animals Meet Cassius, World's Largest Crocodile in Captivity! Scott Admin posted on 2 years ago — updated on 1 second ago 341 views Cassius, a saltwater crocodile, is the world's largest living crocodile in captivity, measuring 18 feet long and weighing 2,870 pounds. He is kept at Marineland Crocodile Park, a zoo on Green Island, Queensland, Australia. animals wildlife Australia Guinness World Records crocodiles Scott Follow Author, educator, musician, dancer and all around creative type. Founder of "The Happy Now" website and the online jewelry store "Silver and Sage".
