Croc Monitors aren't aggressive animals......They are actually quite shy unless you back them in a corner......More intelligent than your average human......They learn your routines, how you do and what you do, and will use it to their advantage......
THEY ARE NOT FOR 99% OF THE REPTILE KEEPING PUBLIC!!!!!!!
They need very large enclosures, or else you will end up bloody......These animals dont like being watched, nor do they like being poked or prodded.......Females are the dominant animals, and they will kill a Male if they aren't happy with their captive conditions.......
Probably the most socially complex Varanid available to the public, and to be quite honest, you will probably fail at keeping them, let alone breeding them......That's just the sad truth about it....Even the guys that have understood Varanids to the point of having consistant success have had problems with Crocs.......
Don't get me wrong, it's notable that your trying to breed them, but how are you going to let a Female nest in a spare room? If you do end up with a gravid Female, you'll kill her off right there......
There are so many aspects of keeping a socially complex, large, potentially dangerous Lizard.....If you want a Monitor that will react and stimulate, get an Argus or anything in the Argus clan.......They pale in comparison to the complexities of a Croc Monitor, and are really hard to kill.......