The freshwater crocodile is often called the Australian freshwater crocodile and is also a medium-sized species of crocodile native for the Northern area of Australia. They aren't exhibiting aggression when you see them with their mouths vast open up! They normally rest with their mouths broad open to launch heat. https://crocodiles53063.alltdesign.com/5-tips-about-crocodile-you-can-use-today-53718457