They are big predators (200 to 600kg), capable of killing humans if they want. So the menace is real!
They are big predators (200 to 600kg), capable of killing humans if they want. So the menace is real!
[Here is their skulls.](http://www.smh.com.au/content/dam/images/2/8/f/x/r/image.related.articleLeadwide.620x349.28fko.png)
It actually looks pretty menacing and terrifying. Would not want to be down there with it.