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Blood python
Python brongersmai
The heavy-bodied blood python from Southeast Asia needs a sturdy 150x60x60 cm terrestrial enclosure. It demands high, stable humidity with mold-resistant substrate, careful temperature regulation, and appropriately sized rodents.
- Taxonomy
- Class:SquamataOrder:SquamataFamily:PythonidaeGenus:PythonSpecies:Python brongersmai
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Environment
Terrestrial
Humidity
60 - 80 %
Day temperature
26 - 30 °C
Night temperature
24 - 26 °C
Adult size
180 cm
UVB
Low
Species description
Geographical Origin and Habitat: The blood python (Python brongersmai) is native to Southeast Asia, including the Malay Peninsula, Sumatra, and surrounding smaller islands. It inhabits wet tropical environments such as lowland rainforests, peat swamps, marshes, and agricultural plantations (especially oil palm plantations), where it finds abundant rodent populations and humid subterranean retreats.
Taxonomy and Genetics: Formerly classified as a subspecies of Python curtus along with Python breitensteini, it was elevated to species status based on distinct genetic and morphological differences. It belongs to the family Pythonidae. Captive breeding has established many color morphs, with selectively bred bloodlines displaying incredibly intense red pigments.
Behavior and Habits: A primarily terrestrial, slow-moving, ambush predator. It spends the majority of its time buried beneath leaf litter or in swampy mud waiting for prey. While historically reputed to have a defensive temperament, captive-bred specimens are generally calm and manageable when handled consistently and gently.
Morphology: Characterized by an extremely stout, heavy-bodied build relative to its length. Adults typically measure between 150 and 200 centimeters in length but can weigh over 10-15 kg. The head is large, long, and distinct from the neck. Coloration is highly variable, featuring patterns of yellow, grey, black, and deep brick-red or cherry-red.
Care, breeding and tankmates
Terrarium Setup: An adult requires a spacious and sturdy enclosure of at least 150x60x60 cm. Substrate must hold moisture without molding; a mix of coconut husk, cypress mulch, and peat moss is ideal. Provide large, heavy hide boxes at both the warm and cool ends of the terrarium to satisfy their need for security.
Lighting and Heating: Heating should be provided from above using ceramic heat emitters or radiant heat panels controlled by a proportional thermostat. Keep the hot side at 29-31 °C, with a localized basking spot of 32 °C. The cool side should be around 25-26 °C. Do not allow temperatures to drop below 24 °C. UVB lighting is optional but beneficial.
Humidity and Hydration: Relative humidity is a critical factor and must be kept consistently between 60% and 75%, rising to 80% during shed cycles. Mist the enclosure regularly and keep the substrate damp but not saturated. Provide a very large, heavy water tub that allows the python to fully submerge its body.
Feeding and Supplementation: Carnivorous with a relatively slow metabolic rate. Feed appropriately sized frozen-thawed rats or mice every 10-14 days for juveniles and every 21-30 days for adults. Avoid overfeeding, as blood pythons are highly prone to obesity in captivity. Dietary supplements are not required if feeding quality rodents.
Compatibility: Strictly solitary. Do not house multiple specimens together, as this will lead to chronic stress, resource competition, and potential injuries or cannibalism, especially when food is introduced.
Health and Common Diseases: Prone to respiratory infections if conditions are too dry or cold. Scale rot and skin infections can occur from dirty, wet substrate. Dehydration can lead to bad sheds and severe constipation. Regular veterinary checks with an exotic specialist are recommended for long-term health.
Geographic Origin and Distribution
The blood python (Python brongersmai) is native to Southeast Asia, including the Malay Peninsula, Sumatra, and surrounding smaller islands. It inhabits wet tropical environments such as lowland rainforests, peat swamps, marshes, and agricultural plantations (especially oil palm plantations), where it finds abundant rodent populations and humid subterranean retreats.
Origin
South and Southeast AsiaEast Asia
Reptile profile
- Diet
- Carnivore
- The Blood Python is a heavy-bodied ambush predator that feeds almost exclusively on mammals, particularly ground-dwelling rodents. Their highly stout, muscular build makes them less agile than other pythons, tying them to a strictly terrestrial, sit-and-wait hunting strategy. They utilize their incredible camouflage to hide among the leaf litter and underbrush of the Southeast Asian swamps, waiting patiently for a rat or small mammal to cross their path. When prey approaches, they strike with explosive speed, utilizing highly developed heat-sensing pits. Due to their sedentary lifestyle, they have a remarkably slow metabolism and require less frequent feeding than more active snake species. After a successful kill, they constrict the prey and consume it whole, retreating to a hide to digest for weeks.
- Adult size
- 180 cm
- The catalog's scalar value is 180 cm. The ReptTraits v1.2 source reports a maximum adult measurement of 300 cm for this species, recorded as total length (TL). These figures are not interchangeable: the first is the profile's editorial reference, whereas the second is a published maximum under a specific measurement convention; differences among sources can reflect sex, population, life stage and measuring method.
- Lifestyle/Microhabitat
- Terrestrial
- This animal leads a terrestrial lifestyle, predominantly dwelling on the ground rather than climbing trees or spending time in the water. It traverses the forest floor, grasslands, or desert terrain in search of food, mates, and secure hiding spots beneath rocks, logs, or dense underbrush. In a terrarium setting, providing a large horizontal footprint is essential, along with a deep, appropriate substrate that allows for natural foraging and resting behaviors. While they may occasionally climb low-lying obstacles, their enclosure should be designed to maximize usable floor space.
- Activity cycle
- Crepuscular
- This species is primarily crepuscular, meaning its peak activity levels occur during the twilight hours of dawn and dusk. In its natural habitat, these transition periods offer the optimal balance of moderate temperatures and lower light, which helps it avoid extreme daytime heat and strictly diurnal or nocturnal predators. In captivity, you will likely see it emerge from its hide just before the lights turn on in the morning and shortly after they turn off in the evening. Feeding and interaction are often most successful during these twilight windows when the animal's metabolism and alertness are highest.
- Sociality
- Gregarious
- Blood Pythons are highly solitary, secretive snakes that spend the vast majority of their lives hidden under debris or submerged in shallow swamp waters. They do not form any social bonds and are generally intolerant of other snakes outside of the brief mating window. They are renowned for their defensive temperament; when threatened, they are quick to display aggression, hissing loudly and striking repeatedly to defend themselves. This defensive behavior is likely an adaptation to compensate for their lack of speed and mobility. Social interactions are non-existent beyond reproductive necessities, relying entirely on chemical pheromones to locate a partner. Their highly cryptic, solitary existence allows them to thrive as unseen predators in their dense, humid habitats.
- Reproduction
- Oviparous
- Reproduction in the Blood Python is oviparous, with females producing relatively small clutches compared to other large pythons. A typical clutch consists of 10 to 15 large eggs, which are deposited in a secure, highly humid location such as decaying vegetation or a hollow log. Like many pythons, the female will coil tightly around her eggs to protect them and manage the microclimate during the two-month incubation period. The mother's presence deters scavengers and ensures the eggs do not desiccate in the fluctuating jungle humidity. Once the young hatch, they are vividly colored and entirely self-sufficient. The maternal bond dissolves immediately upon hatching, and the neonates scatter into the dense swamp vegetation to begin hunting small rodents.
- Handling tolerance
- Expert only
- Due to its significant size, strength, or specialized care requirements, handling this species requires an experienced and confident keeper. While individuals can become accustomed to handling with consistent and patient training, their sheer power means that a mistake or unexpected defensive reaction can be dangerous. Keepers must possess a thorough understanding of the animal's body language to gauge its mood before initiating contact. For larger specimens, a strict protocol involving the presence of a second capable handler should always be followed during any interaction or enclosure maintenance.
- Brumation
- Not required
- Originating from tropical or sub-tropical climates with stable year-round conditions, this species does not undergo brumation. It requires consistently warm temperatures and proper lighting schedules regardless of the external season. Subjecting this animal to a significant temperature drop in an attempt to induce a winter cooling period can severely compromise its immune system, leading to dangerous respiratory infections, digestive failures, and potentially fatal consequences. Heat sources and environmental parameters must be rigorously monitored and maintained consistently throughout the entire year.
- Molting
- Periodic
- Because this species naturally inhabits humid, tropical environments, successful shedding requires maintaining consistently elevated humidity levels within the enclosure. When the pre-shed cycle begins—indicated by dulled coloration and cloudy 'blue' eyes—the keeper must actively boost the ambient humidity by heavily misting the enclosure daily and ensuring the substrate remains damp but not saturated. A failure to provide this specialized high-humidity environment will likely result in a problematic 'stuck shed,' which can cause severe constriction injuries to the tail tip, toes, and eyes if not manually addressed.
Image gallery
Licensed images linked to the species or, when marked, to the closest representative taxon.
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