The saltwater crocodile (Crocodylus porosus) is the largest of all living reptiles. They are amphibious, living in sea water, rivers and on land. In terms of weight, it is the third largest amphibious animal, after the bull elephant seal (typically 2700 kg/6000 lb; 5 m/16 ft) and the walrus (typically 1400 kg/3000 lb; 3.6 m/12 ft)
Crocodiles are an ancient form of life, with fossils from 200 million years ago. 'Salties', as they are commonly called, are found in Northern Australia, New Guinea, some parts of Southeast Asia, and the surrounding waters. They live in habitats near the coast: rivers, swamps, billabongs, beaches and sometimes the open sea.
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