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Estuarine crocodile information, facts - classicanimal

The estuarine crocodile is a large-sized crocodile species native to South-Asia. The estuarine crocodile is the largest living reptile species in the world. It can grow up to 21 ft in length and weighs up to 1000 kg to 1300 kg. It is also known as the Indo-Pacific crocodilesaltie.



Their scientific name is Crocodylus porosus. Estuarine crocodiles are named for their ability to survive in salinity seawater. They are also known as the 'Saltwater crocodile', 'Indo-Pacific crocodile', 'Marine crocodile', 'Sea crocodile', 'Saltie'.

Common Name: Estuarine crocodile
Scientific Name: Crocodylus porosus
Other Name: Saltwater crocodile, Indo-Pacific crocodile, Sea crocodileSaltie


Estuarine crocodile belongs to the family Crocodylidae. It's a species of crocodile. Their conservation status is 'Least Concern'. But this species listed on a red list of IUCN because of their illegal hunting and habitat loss.

Kingdom: Animalia
Phylum: Chordata
Class: Reptilia
Order: Crocodilia
Genus: Crocodylus
Family: ‎Crocodylidae
Group: Reptile
Conservation Status: Least Concern


Estuarine crocodiles are found in Southeast Asia, northern Australia, Micronesia. They are habitats such as coastal waters, rivers.

Living Locations: Southeast Asia, Northern Australia, Micronesia
Habitat: Coastal waters, Rivers


Estuarine crocodile has a large-sized body and whole body covers with rough skin. An adult is dark greenish skin with some tan or grey color spots on their body. But in the case of young, they have yellow color skin with black stripes and spots on their bodies to tails. This color will change with their age. Females are much smaller than males. An adult male length around  15 ft to 20 ft and their weight around 1000 kg to 1300 kg. An adult female length around 10 ft and weighs up to 70 kg to 100 kg of males. They can swim at speed of up to 24 to 29 km/h.

Color: Yellow, Dark-green
Skin Type: Rough skin
Weight: 70 kg to 100 kg(Female), 1000 kg to 1300 kg(Male)
Size: 10 ft to 20 ft (Approx)
Top Speed: Up to 24 to 29 km/h (Approx)


Estuarine crocodiles are mainly part of the Carnivore diet, which means they eat meats. They mostly eat fishfrogslizards, crustaceans, small mammals. They have some natural predators like humans.

Diet: Carnivore
Favorite Food: FishFrogsLizards, Crustaceans, Small mammals
Predator: Humans


Their lifespan up to 70 years. Estuarine crocodiles are nocturnal, solitary crocodile species. At the age of 10 to 12 years for females and males at 16 years are ready to sexually mature. After the incubation period lasts around 80 days. They lay 40 to 60 eggs in a breeding season. The young are called 'Hatchling'. Those young spend 2 years with their mothers.

Lifestyle: Nocturnal
Group Behavior: Solitary
Lifespan: Up to 70 Years
Age of Sexual Maturity: 14 to 18 Months
Incubation Period: 80 Days
Average Lay Eggs: 40 to 60
Baby called: Hatchling
Age of Weaning: 2 Years


  • The Estuarine crocodile is the largest living reptile species in the world. They can grow to a length of up to 20 to 21 ft and weighs up to 1000 kg to 1300 kg.
  • A female can lays 40 to 60 eggs, but she can lay up to 90 eggs. But not all eggs are hatch or all the hatchling are not grow, because of the predators. Hatchlings or eggs can be eaten by barramundi, turtles, freshwater crocodiles.



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