The species A. melanocephalus is found in Australia, in the northern half of the country, excluding the very arid regions.

The diet of A. melanocephalus consists mainly of reptiles, including snakes, but it will eat mammals and some birds if available.

[7] When ingesting large prey, it positions one or two coils just ahead of its distended mouth and by constriction makes the task of swallowing easier.

Due to its docile nature and striking color pattern, A. melanocephalus has become very desirable as an exotic pet.

As it can be a muscular snake and reaches a fairly substantial size, prospective owners should consider a suitable enclosure, as well as temperature and feeding requirements.

A. melanocephalus is mentioned in, or plays a central role in, the stories of the Indigenous Australians Dreamtime tradition.