Crocodylus porosus is a large predatory reptile native to Southeast Asia and Northern Australia. Also known as the saltwater crocodile, this species has a fearsome reputation as a man-eater and is one of the most dangerous animals in the world. There are several synonyms for C. porosus, including Estuarine Crocodile, Indo-Pacific Crocodile, and Saltie. These names reflect the species' habitat and range, as well as its preference for brackish or saltwater environments. Other common synonyms for C. porosus include the Australian Saltwater Crocodile and the Common Saltwater Crocodile. Despite its formidable reputation, this species is an important apex predator and plays a vital role in its ecosystem.