The saltwater crocodile (Crocodylus porosus) is also widely known by the common names, estuarine or Indo-Pacific crocodile, more rarely or informally referred to as the saltie, marine or sea-going crocodile. This species is the largest of all living reptiles, as well as the largest terrestrial and riparian predator in the world. The males of this species can reach sizes up to and weigh up to . However, an adult male saltwater crocodile is generally between in length and weighs , rarely growing larger. Females are much smaller and often do not surpass . As its name implies, this species of crocodile can live in salt water, but usually resides in mangrove swamps, estuaries, deltas, lagoons, and lower stretches of rivers. They have the broadest distribution of any modern crocodile, ranging from the eastern coast of India, throughout most of Southeast Asia, and northern Australia.