J
Species Profile

Jungle Carpet Python

Morelia spilota cheynei

Rainforest gold: the jungle carpet python
fivespots/Shutterstock.com

Jungle Carpet Python Distribution

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Endemic Species
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Jungle carpet python on white background

At a Glance

Wild Species
Also Known As Carpet python, Australian carpet python
Diet Carnivore
Activity Nocturnal+
Lifespan 12 years
Weight 9 lbs
Status Not Evaluated
Did You Know?

Adults commonly reach ~1.5-2.5 m total length; exceptionally ~3.0 m has been reported for large carpet pythons (e.g., Wilson & Swan, *Reptiles of Australia*).

Scientific Classification

A striking yellow-and-black arboreal/semi-arboreal python form within the Carpet python (Morelia spilota) complex, commonly kept in herpetoculture and known for its bold banding and rainforest associations.

Kingdom
Animalia
Phylum
Chordata
Class
Reptilia
Order
Squamata
Family
Pythonidae
Genus
Morelia
Species
Morelia spilota

Distinguishing Features

  • High-contrast yellow/gold and black patterning (especially vivid in juveniles; can darken with age)
  • Slender to moderately robust build; strong climber with prehensile tail use typical of Morelia
  • Heat-sensing labial pits and nonvenomous constrictor feeding strategy
  • Regional endemic form within the Morelia spilota (carpet python) complex

Physical Measurements

Males and females differ in size

Length
♂ 5 ft 3 in (3 ft 11 in – 6 ft 7 in)
♀ 5 ft 11 in (4 ft 11 in – 7 ft 10 in)
Weight
♂ 4 lbs (2 lbs – 7 lbs)
♀ 5 lbs (3 lbs – 9 lbs)
Tail Length
♀ 11 in (8 in – 1 ft 1 in)
Top Speed
1 mph
Estimated 0.3-0.5 m/s

Appearance

Primary Colors
Secondary Colors
Skin Type Morelia spilota cheynei has dry, glossy skin with smooth overlapping scales. Enlarged ventral scutes help climbing and grip. Heat-sensing labial pits on upper and lower lips aid nighttime ambush hunting.
Distinctive Features
  • Subspecies: Morelia spilota cheynei is a regional form of the carpet python (Morelia spilota), not a full species and not the same as the green tree python (Morelia viridis).
  • Geographic association: native to northeastern Queensland, Australia; strongly associated with rainforest and wet sclerophyll/forest margins (Atherton Tablelands and surrounding ranges frequently cited in regional accounts).
  • Arboreal/semi-arboreal build and behavior reflected in appearance: laterally compressed body, strong prehensile tail, and frequent use of elevated perches; commonly observed coiled on branches in captivity and in suitable habitat.
  • Head distinct from neck with pale/cream labials; dark facial striping often present from eye toward jaw/neck, enhancing the 'masked' look typical of many carpet pythons.
  • Adult size (reported): commonly ~1.8-2.4 m total length in adults; larger individuals occur (field-guide and monograph ranges are commonly reported for the subspecies/complex; e.g., Barker & Barker python references and Australian field guides).
  • Longevity (reported): long-lived like other carpet pythons; captive longevity commonly documented around ~20+ years, with some individuals reported exceeding this in long-term collections (general husbandry/monograph data for Morelia spilota forms; exact maxima vary by record).

Sexual Dimorphism

Sexual dimorphism is generally subtle but present, consistent with many pythons: females average larger/heavier-bodied, while males tend to have proportionally longer tails and more prominent cloacal spurs. Pattern and base coloration are usually similar between sexes, with size/shape being the main dimorphic cues.

♂
  • Typically proportionally longer tail length (post-cloacal), aiding sexing by morphology.
  • Cloacal spurs often more prominent/longer (used in courtship behavior typical of pythons).
  • On average slightly smaller and more slender-bodied than females at comparable ages (common trend reported across Morelia spilota forms).
♀
  • Typically attain greater overall mass and often greater total length than males (female-biased size dimorphism typical of many pythonids).
  • More robust body girth, especially in mature breeding females.

Did You Know?

Adults commonly reach ~1.5-2.5 m total length; exceptionally ~3.0 m has been reported for large carpet pythons (e.g., Wilson & Swan, *Reptiles of Australia*).

It's a subspecies: Morelia spilota cheynei is one regional form within the highly variable *Morelia spilota* "carpet python" complex (per Reptile Database; Wilson & Swan).

The high-contrast yellow/black pattern is especially associated with Queensland's Wet Tropics rainforest and ecotones-often brighter than many drier-country carpet python forms.

Like other pythons, it's oviparous; carpet pythons typically lay ~10-50 eggs depending on female size and lineage (summarized in Barker & Barker, *Pythons of the World*, and Australian field guides).

Females brood eggs by tightly coiling around the clutch and staying with it through incubation-classic python parental care (Barker & Barker).

Heat-sensing labial pits help it detect warm-blooded prey at night, supporting ambush strikes in low light (general Pythonidae trait; detailed in herpetology texts).

The *M. spilota* complex spans multiple habitats across Australia and New Guinea-from cool-climate "diamond" forms to tropical "Darwin" types-showing extreme geographic pattern diversity within one species complex (Wilson & Swan).

Unique Adaptations

  • Labial heat pits: infrared sensitivity along the lips allows detection of endothermic prey even in rainforest shade/night conditions (Pythonidae diagnostic trait).
  • Prehensile tail and powerful trunk musculature: improves stability and control while climbing and anchoring during arboreal strikes.
  • High-contrast banding: disruptive camouflage in dappled rainforest light (yellow/black pattern breaks the outline among sunflecks, vines, and branch shadows).
  • Flexible habitat use within the Wet Tropics: thrives in rainforest margins, wet sclerophyll, and human-modified edge habitats-useful in a landscape of patchy forest and clearings (regional ecology summaries in Australian reptile guides).
  • Expandable jaw/ligament system typical of pythons: enables swallowing relatively large prey items whole (general python functional morphology).

Interesting Behaviors

  • Nocturnal to crepuscular activity: often remains concealed by day, then hunts at night along branches, trunks, and forest edges (typical *Morelia* behavior; field guides).
  • Semi-arboreal ambush hunting: frequently positions in elevated "S" coils on branches to strike passing birds, bats, or arboreal mammals, but will also forage on the ground.
  • Strong site fidelity in suitable refuges: individuals commonly reuse favored shelters (tree hollows, roof spaces, rock/wood piles) when prey and thermal conditions are consistent (reported broadly for carpet pythons in Australian natural history sources).
  • Defensive display when threatened: tight coiling, head elevation, loud hissing, and rapid strikes-followed by retreat if an escape route opens (common carpet python behavior noted in husbandry and field accounts).
  • Maternal brooding: females remain with eggs, coiling tightly and guarding the nest until hatching (documented across *Morelia spilota* in python literature, e.g., Barker & Barker).

Cultural Significance

Jungle carpet python (Morelia spilota cheynei) is valued as a natural rodent controller near farms, popular in reptile keeping for its bold yellow-black pattern and size, and holds important symbolic meaning in Aboriginal cultures tied to water, country, and ancestors.

Myths & Legends

Rainbow Serpent stories across Australia say powerful ancestor snakes are linked to rivers, rain, and making the land. Big snakes are treated with caution and respect in Australian Aboriginal traditions.

In Aboriginal Australian stories, large snakes guard deep pools and springs. Disturbing these water places can anger the snake or bring bad luck, teaching rules to respect and protect vital water sources.

Australian bush folklore around "carpet snakes": in some rural storytelling, carpet pythons in sheds and barns are treated as quasi-beneficial household residents because they keep rats down, and are sometimes left unharmed as "working" snakes.

The common name "carpet snake/python" comes from its rug-like pattern. The Jungle carpet python (Morelia spilota cheynei) has bright colors and is a modern symbol of Wet Tropics rainforests in talks and reptile education.

Conservation Status

NE Not Evaluated

Has not yet been evaluated against the criteria.

Population Unknown

Protected Under

  • Queensland Nature Conservation Act 1992 (native wildlife protection; take/keep regulated)
  • Queensland Nature Conservation (Animals) Regulation 2020 (framework for protected wildlife management)
  • CITES Appendix II (international trade regulated for many python taxa; trade typically via permits for listed specimens)

Life Cycle

Birth 16 hatchlings
Lifespan 12 years

Lifespan

In the Wild
8–20 years
In Captivity
12–30 years

Reproduction

Mating System Polygynandry
Social Structure Solitary
Breeding Pattern Seasonal
Fertilization Internal Fertilization
Birth Type Internal_fertilization

Morelia spilota cheynei is solitary and seasonally breeding. Mating is brief and opportunistic; the system is polygynandrous. Males may fight. Fertilization is internal via hemipenes; females are oviparous, brood one clutch (often low tens, ~2‑month incubation). Sperm storage is possible.

Behavior & Ecology

Social Solitary Group: 1
Activity Nocturnal, Crepuscular, Diurnal
Diet Carnivore Small mammals-especially rats (Rattus spp.)
Seasonal Hibernates

Temperament

Generally non-social and avoidant; relies on crypsis/immobility as a first-line defense
Opportunistic ambush predator; shifts perch/use of cover with prey availability (a pattern broadly reported across the M. spilota complex)
Defensive responses when threatened or handled can include hissing, rapid strike-and-release, and persistent biting in some individuals; substantial individual variation is widely reported in captivity for M. s. cheynei lines
Semi-arboreal tendency (frequent use of elevated perches), with variation by age/size (juveniles typically more arboreal than large adults), consistent with broader carpet python ecology summaries

Communication

Hiss Expelled-air defensive sound; common across pythons, including Morelia
Chemical communication via pheromones detected by tongue-flicking and vomeronasal Jacobson's) organ; used for mate tracking and reproductive status assessment (python-typical; subspecies-specific trials for M. s. cheynei are sparse
Tactile signaling during courtship and copulation Body alignment, rubbing, tail positioning); also tactile restraint/positioning in male-male combat where present (reported for many pythons including Morelia spilota
Postural/visual threat displays (tight S-coil, head elevation, body inflation/flattening) that function as deterrent signals at close range
Vibration/mechanical cues transmitted through branches/substrate during movement or combat; likely relevant in arboreal contexts though rarely quantified specifically for this subspecies

Habitat

Biomes:
Temperate Rainforest Temperate Forest
Terrain:
Mountainous Hilly Valley Riverine Rocky
Elevation: Up to 3608 ft 11 in

Ecological Role

Mid-upper trophic level ambush predator (mesopredator) in rainforest and forest-edge systems; occasionally functions as a nest/roost predator in arboreal strata.

Regulates small-mammal (rodent) populations, indirectly influencing seed predation and vegetation recruitment Controls some bird and bat populations locally (particularly nestlings/roosting individuals), contributing to trophic balance Provides prey for larger predators (e.g., raptors) and supports scavengers via leftover carrion fragments after feeding events

Diet Details

Main Prey:
Rodents Small marsupials Birds Bats Lizard Frog

Human Interaction

Domestication Status

Wild

Morelia spilota cheynei (jungle carpet python) is a wild, not domesticated subspecies. People keep and breed it in captivity for color and pattern lines, but this is not true domestication like dogs or farm animals. In Australia it is a native, protected species; outside Australia most traded animals are captive-bred.

Danger Level

Low
  • Bite injuries (puncture/laceration; higher risk during feeding response).
  • Constrictor injury risk is low for healthy adults but increases with inappropriate handling of larger individuals (e.g., unsupervised interaction with small children).
  • Zoonotic infection risk typical of reptiles (e.g., Salmonella) via fecal-oral transmission without proper hygiene.
  • Allergic reactions/asthma triggers possible from enclosure substrates or feeder prey.

As a Pet

Suitable as Pet

Legality: Legality varies. In Australia you need a state/territory reptile licence and exports are usually banned. In US/Canada/EU captive-bred Morelia spilota cheynei are often legal, but local permits or bans may apply, and rules often cover the species Morelia spilota.

Care Level: Experienced

Purchase Cost: $250 - $1,500
Lifetime Cost: $3,000 - $12,000

Economic Value

Uses:
Herpetoculture (captive breeding and pet trade) Education/ambassador animal use (zoos, outreach) Ecotourism and reptile parks (regional) Ecosystem services (rodent control where tolerated)
Products:
  • Live animals (captive-bred pets; selectively bred color/pattern lines)
  • Husbandry services and veterinary care (specialist exotics)
  • Educational programming/handling demonstrations

Relationships

Predators 5

Powerful owl Ninox strenua
Wedge-tailed eagle Aquila audax
Lace monitor
Lace monitor Varanus varius
Dingo
Dingo Canis dingo
Cat
Cat Felis catus

Related Species 10

Coastal carpet python
Coastal carpet python Morelia spilota mcdowelli Shared Species
Diamond python
Diamond python Morelia spilota spilota Shared Species
Darwin carpet python Morelia spilota variegata Shared Species
Inland carpet python Morelia spilota metcalfei Shared Species
Southwestern carpet python Morelia spilota imbricata Shared Species
Green tree python
Green tree python Morelia viridis Shared Genus
Centralian python
Centralian python Morelia bredli Shared Genus
Rough-scaled python Morelia carinata Shared Genus
Papuan python Morelia kinghorni Shared Genus
Amethystine python
Amethystine python Simalia amethistina Shared Family

Jungle carpet pythons are a subspecies of nonvenomous carpet pythons found in Australia.

These snakes are arboreal; they don’t come to the ground often and only live in a small rainforest region. They eat various rodents, birds, marsupials, and other small, warm-blooded animals. Due to their natural beauty, they have become popular pets among reptile keepers.

Incredible Jungle Carpet Python Facts

  • In the wild, these only inhabit a small area in North-Eastern Queensland, Australia.
  • Their bright yellow and black markings are naturally-occurring and actually help them blend into their rainforest home.
  • Females can be up to four times heavier than males.

Jungle Carpet Python Scientific Name and Classification

Jungle carpet pythons are nonvenomous members of the Pythonidae family. Currently, this family includes approximately 42 species. That number sometimes changes as more research is completed and published.

This subspecies is a member of the carpet python complex or group. In addition to the jungle carpet python, this group includes the coastal carpet python, diamond python, and Darwin carpet python. Some writers also include the Irian Jaya python, Bredl’s python, and sometimes the amethystine or scrub python.

Jungle carpet pythons, being a subspecies of carpet python, have a trinomial name: Morelia spilota cheyni. This just means that it has three words in its scientific name. The first name is the genus, Morelia. This genus includes a number of different pythons that inhabit Australia and New Guinea, including the Green python (Morelia viridis) and Boelen’s python (Morelia boeleni). The specific name and subspecies follow the genus, and spilota means spotted. Its subspecific name, cheynei, refers to Cheyne Wellington, who, along with R.W. Wells, split all the carpet pythons into separate species. This was almost immediately argued as being excessive. So, just a few years later, the carpet pythons were grouped together as subspecies under Morelia spilota.

Jungle Carpet Python Appearance and Behavior

This medium-sized python usually measures between five and seven feet and has a muscular body. The largest jungle carpet pythons can measure eight feet long. It has a classic “python” head that is triangular with a blunted snout and elliptical pupils with dark irises. Large heat-receptive pits are near the front of its snout and along the lower lip near the jaw. There are vertical bars between the scales along the upper and lower lips and small scales all over the head. Most of them have a stripe that begins behind the eyes, continuing through and around the front of their snout.

Its color pattern is where it really stands out and blends in, all at the same time. The vibrant black and yellow of the jungle carpet python is one part of its attraction as a pet. Individuals can vary widely, but the yellow ranges from dusky yellow to vibrant, almost canary yellow. The black is in stark contrast to the yellow, but the vibrant pattern actually helps it blend into its home in the dappled forest light of its rainforest home.

This nocturnal, solitary snake is known for being relatively docile, even in the wild. This is another factor that makes it an attractive pet. It’s not usually too grumpy but can be snippier than other carpet pythons. Young snakes, in particular, tend to bite more. They’re young and frightened of the world, and it takes time for hatchlings to calm down.

Jungle carpet python on white background

Snakes use their tongue to explore their world through scent.

Jungle Carpet Python Habitat

Individuals of this nocturnal subspecies spend most of the day resting on a branch or in the hollow of a tree. Their habitat is full of leafy foliage that helps them camouflage.

Jungle carpet pythons are endemic to the lush subtropical and tropical rainforests in Queensland, Australia, in particular, the Daintree Rainforest. They are considered semi-arboreal and spend the majority of their time in the trees. They are likely to be found near water sources such as rivers or ponds, climbing and basking in the trees.

Jungle Carpet Python Diet

Jungle carpet pythons, like most snakes, are ambush predators that lie in wait for their meals. Their diet consists of small mammals, birds, frogs, and lizards. They are nonvenomous and kill by constriction, after which they swallow their prey whole. In captivity, they eat rats, mice, and rabbits.

Jungle Carpet Python Predators, Threats, and Conservation

Carpet pythons (Morelia spilota) are listed as least concern in the IUCN Redlist of Threatened Species, but not listed separately. The Daintree Rainforest is a protected area in Australia and one of the remaining rainforests on the continent. The primary threat to this subspecies is habitat destruction because logging and other human activities have taken a toll on the rainforest where it lives.

The over-harvesting of animals for the pet trade in many countries left the wild populations decimated. So to protect their native wildlife from a similar fate, Australia protects its native animals from export. Most native species either cannot be exported or can only be exported under certain circumstances with appropriate permits.

Like the diamond python, the jungle carpet python is decreasing in number. Habitat loss and changing land use, combined with predation by non-native animals, have all taken a toll on their population.

Predators

Young snakes are eaten by birds of prey and carnivorous mammals. Feral cats and dogs can be a problem for them. However, adults don’t have many natural predators. They’re big enough that their size is intimidating to would-be predators.

Jungle Carpet Python Reproduction, Babies, and Lifespan

Snakes aren’t very social animals in general, and the jungle carpet python is no different. The only time you’ll find more than one jungle carpet python together is during mating season. That said, scientists don’t know much about their mating practices in the wild. Most carpet pythons breed between the months of October and December.

The female lays 10-50 eggs about three weeks after mating. To protect them, she coils around them until they hatch. During incubation, which lasts about 50-60 days, she does not eat and only leaves to bask. If temperatures drop too much, she shivers to produce a little extra heat.

When they hatch, the babies are ready to fend for themselves immediately. They look like small versions of their parents and are called hatchlings, snakelets, or neonates. Neonates spend a lot of time hiding from bigger predators and tend to be more snippy than adults.

Jungle carpet pythons are long-lived, like many snakes, and can live into their 20s. However, they aren’t ready to breed until they’re usually 2-5 years old. The males generally mature a year or two earlier than the females. Males are also usually smaller than females, which require extra body mass to produce and incubate eggs until they hatch.

Similar Animals

Pythons in the Morelia genus have much in common – heads with small scales, large heat-sensing pits, and a somewhat arboreal lifestyle. Some of them can cross breed, forming natural intergrades between multiple types.

  • Coastal carpet pythons are another carpet python subspecies, they inhabit areas further south than any other carpet python.
  • Bredl’s python, also called the Centralian carpet python, is an isolated species that only inhabits an area in central Australia.
  • The very beautiful Boelen’s python inhabits mountainous regions across central New Guinea.
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Sources

  1. Jungle Carpet Python | Fresh Start Rescue / Accessed July 11, 2022
  2. Jungle Carpet Python | Central Florida Zoo / Accessed July 11, 2022
  3. Carpet Pythons | Reptile Database / Accessed July 11, 2022
  4. Carpet Python | IUCN Redlist of Threatened Species / Published June 15, 2017 / Accessed July 11, 2022
Gail Baker Nelson

About the Author

Gail Baker Nelson

Gail Baker Nelson is a writer at A-Z Animals where she focuses on reptiles and dogs. Gail has been writing for over a decade and uses her experience training her dogs and keeping toads, lizards, and snakes in her work. A resident of Texas, Gail loves working with her three dogs and caring for her cat, and pet ball python.
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Jungle Carpet Python FAQs (Frequently Asked Questions)

They can be, and certainly, many people keep them as pets. Like many reptiles, once you get their enclosure set up appropriately. They like lots of climbing space and need stable temperatures and humidity for good health.