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  3. Saltwater Crocodile

One of the 10 crocodiles on WAnimals

Saltwater Crocodile (Crocodylus porosus)

Reptiles · Crocodilia · Crocodylidae

Saltwater Crocodile

Crocodylus porosus

Least Concern

The species is abundant and widely distributed; it faces no significant short-term risk.

Spotted something wrong?

It is the largest living reptile in the world and one of the most dangerous predators to people within its range.

Weight

400 kg – 1 t

Size

3 m – 7 m

Life expectancy

70 years

Diet

Carnivore

Feeds mainly on other animals.

Activity

Nocturnal

Active mainly at night.

Social structure

Solitary

Lives and hunts alone, joining others only to breed.

Sighting difficulty

Easy

OceanFreshwater
21countries11parks13dive sites10same family

AI-generated images: illustrations, not photographs.

Fun facts

  • Males can grow up to 6 to 7 metres long, while females rarely exceed 3 metres.
  • It can cover long distances in the open sea by riding ocean currents.
  • It hunts from ambush, taking fish, reptiles, birds, mammals and even other crocodiles.
  • récordIt is the largest living reptile in the world, and can cross long stretches of open sea by riding ocean currents to colonise new islands.

Life cycle and biology

Skeleton type
Vertebrate - internal bony skeleton (reptile)
Habitat and environment
Estuaries, mangroves, coastal rivers and open ocean of the Indo-Pacific, capable of long sea crossings
Birth weight
~70 grams; 25-30 cm long
Size at birth
25 - 30 cm long at hatching
Sexual maturity
8-10 years
Gestation / incubation
~90 days (some sources give 80-90 days)
Litter / clutch size
20 to 80 eggs per clutch
Life expectancy in captivity
A documented record of 57 confirmed years, with anecdotal estimates of over 100

Sources consulted: DinoAnimals; Dimensions.com; MarineBio; The Animal Facts; AnAge (genomics.senescence.info); Ocean Info; PMC (hatchling growth study)

Where to find it

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The pins mark the parks and dive sites where its presence is documented.

Where to see it

Parks and dive sites where this species has been documented — showing 20 of 24.

Related species

Other species in the catalogue with the most in common with Saltwater Crocodile — same habitat, park, country, tags or family.

Same taxonomic family
Shares a park
Shares a park
Shares a park
Shares a park
Same taxonomic family

Related guides

Keep exploring

Based on what we already know about saltwater crocodile.

Comments

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See full glossary
This page in other languages: Español · Deutsch · Français · Português · Italiano
See its range on the interactive map→
SundarbansIndia
YalaSri Lanka
KakaduAustralia
DaintreeAustralia
Nitmiluk (Katherine Gorge)Australia
Rock Islands of PalauPalau
Sundarbans Forest ReserveBangladesh
Nino Konis Santana National ParkTimor-Leste
Ujung KulonIndonesia
KumanaSri Lanka
Raja AmpatIndonesia
Komodo National ParkIndonesia
Jellyfish LakePalau
Andaman Islands (Havelock)India
Kimbe BayPapua New Guinea
Halmahera (walking sharks)Indonesia
Milne BayPapua New Guinea
Marovo LagoonSolomon Islands
Tufi FjordsPapua New Guinea
MadangPapua New Guinea
See all 11 parks
See all 13 dive sites
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Geography Cone

Conus geographus

Harlequin Snake EelLeast Concern

Harlequin Snake Eel

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Vulnerable

Mugger

Crocodylus palustris

Where to see Saltwater Crocodile11 places
CountriesIndonesia
ParksSundarbansIndia
TagsCarnivore
Carnivore
Nocturnal
Solitary
Reptile
Ocean
Freshwater

Asia16

Oceania5

Indonesia
Papua New Guinea
Australia
India
Palau
Sri Lanka
Bangladesh
Brunei
Cambodia
China
India
Indonesia
Laos
Malaysia
Myanmar
Philippines
Singapore
Sri Lanka
Taiwan
Thailand
Timor-Leste
Vietnam
Australia
Palau
Papua New Guinea
Solomon Islands
Vanuatu