What is the conservation status of the Saltwater Crocodile?

The Saltwater Crocodile is listed as Least Concern on the IUCN Red List. Widespread and abundant. Not currently at risk of extinction in the wild.

Where is the Saltwater Crocodile found?

The Saltwater Crocodile is found in Australia, Indonesia, Papua New Guinea, Malaysia, Philippines, India, Sri Lanka, Myanmar, Thailand, Cambodia, Vietnam, Timor-Leste, Solomon Islands, Palau, Brunei.

Saltwater Crocodile (Crocodylus porosus) — Conservation Status & How to Help

About the Saltwater Crocodile

The saltwater crocodile (Crocodylus porosus) is the largest living reptile on Earth, with large males regularly exceeding 5 meters in length and 1,000 kilograms in weight. It inhabits estuaries, tidal rivers, mangrove swamps, and coastal lagoons across a range stretching from eastern India and Sri Lanka through Southeast Asia to northern Australia and the Solomon Islands, making it the most widely distributed crocodilian species in the world.

As an apex predator, Crocodylus porosus regulates prey populations including fish, crustaceans, mammals, and birds, and its role in nutrient cycling within coastal and riverine habitats is ecologically significant. Despite its Least Concern status on the IUCN Red List, the species faces ongoing pressure from habitat loss driven by mangrove clearance and coastal development, illegal hunting for its skin, and retaliatory killing in response to human-wildlife conflict, which is increasing as human settlements expand into crocodile territory across parts of Indonesia and Papua New Guinea.

Things worth knowing

Saltwater crocodiles are strong open-ocean swimmers and have colonized remote islands far from continental landmasses, traveling hundreds of kilometers by riding ocean currents.
The species was heavily depleted by commercial hunting for its hide throughout the mid-20th century, and legal protection introduced from the 1970s onward allowed populations in Australia to recover substantially.
Crocodylus porosus has the most powerful bite force ever measured in a living animal, recorded in controlled studies at over 16,000 newtons.
Females construct mound nests from vegetation and mud, and guard both the nest and the hatchlings actively, with maternal care continuing for several months after the eggs hatch.
The species exhibits temperature-dependent sex determination, meaning the sex of hatchlings is determined by incubation temperature rather than chromosomes, with males produced within a narrow temperature band.
In Australia, where the saltwater crocodile is protected under federal and state legislation, population surveys by the Northern Territory government have recorded tens of thousands of individuals, representing one of the most successful large-predator recoveries in conservation history.

Saltwater Crocodile

Things worth knowing

0 organizations protect the Saltwater Crocodile