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ReptileTerrestrialExpert
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Argus Monitor
Varanus panoptes
The highly active Argus monitor requires massive space (minimum 240x120x120 cm). It demands remarkably deep substrate (40-50 cm) for digging, high basking temperatures, high-intensity UVB, and an opportunistic carnivorous diet.
Class:Squamata
Order:Squamata
Family:Varanidae
Genus:Varanus
Species:Varanus panoptes
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Environment
Terrestrial
Humidity
40 - 60 %
Day temperature
30 - 38 °C
Night temperature
22 - 26 °C
Adult size
74 cm
UVB
High
Species description
Geographical Origin and Habitat: Native to northern Australia and parts of southern New Guinea. It inhabits a wide range of habitats including coastal forests, arid savannas, riverbeds, and semi-desert areas.
Taxonomy and Genetics: Belongs to the family Varanidae, genus Varanus. Several subspecies exist, with Varanus panoptes panoptes being the most common in Australia. Highly intelligent with active predatory adaptations.
Behavior and Habits: Strictly terrestrial and diurnal. Famous for its behavior of standing erect on its hind legs and tail (tripoding) to survey the surroundings. An active, relentless hunter with a high metabolic rate.
Morphology: A large lizard; males can reach up to 140-150 cm (4.5-5 feet) in total length, while females are significantly smaller, around 90 cm. Coloration is dark brown to charcoal with rows of yellow spots.
Care, breeding and tankmates
Terrarium Setup: Requires massive enclosures (minimum 240x120x120 cm / 8x4x4 feet for an adult). Provide deep substrate (40-50 cm / 16-20 inches) of soil and sand mix for burrowing. Furnish with sturdy climbing structures and heavy rocks.
Lighting and Heating: Requires high heat and intense UVB. Basking spot at 45-50°C (113-122°F), ambient daytime temperature of 28-32°C (82-90°F), and night drop to 22-24°C (72-75°F). Intense UVB (12-14%) is mandatory.
Humidity and Hydration: Moderate humidity (50-60%), with damp lower substrate. Provide a heavy, large water basin that allows the monitor to fully submerge and soak.
Feeding and Supplementation: Carnivorous. Diet consists of large insects, rodents, chicks, fish, eggs, and whole prey items. Dust food with calcium and vitamins twice weekly during growth phases.
Compatibility: Solitary. Highly territorial and aggressive. Cohabitation is not recommended and should only be attempted by experts for breeding introductions.
Health and Common Diseases: High risk of obesity due to its voracious appetite. Metabolic Bone Disease (MBD) and gout are common without proper heating and UVB. Prone to claw or snout injuries in small, abrasive enclosures.
Geographic Origin and Distribution
Native to northern Australia and parts of southern New Guinea. It inhabits a wide range of habitats including coastal forests, arid savannas, riverbeds, and semi-desert areas.
Origin
Africa and MadagascarAustralia, New Guinea, and Oceania
Reptile profile
- Diet
- No verified data available
- Life expectancy
- No verified data available
- Adult size
- 74 cm
- Lifestyle/Microhabitat
- No verified data available
- Activity cycle
- No verified data available
- Sociality
- No verified data available
- Reproduction
- No verified data available
- Handling tolerance
- No verified data available
- Brumation
- No verified data available
- Molting
- No verified data available
The catalog's scalar value is 74 cm. The ReptTraits v1.2 source reports a maximum adult measurement of 74 cm for this species, recorded as snout–vent length (SVL). 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.
Image gallery
Licensed images linked to the species or, when marked, to the closest representative taxon.
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