Updated December 04, 2015 08:23:02 Map: Darwin 0800 Yes, baby saltwater crocodile. By Joanna Crothers Infographic: Cruz Harris with his pet crocodile, Billy the Billabong King. (ABC News: Joanna Crothers) 1. Where does my croc come from? Jayne Harris was wary of letting a crocodile into the household. “To commence with I was like, oh…