Reptile species profile
Storr's Monitor
A detailed profile covering characteristics, everyday care and linked health conditions.
Quick facts
A concise guide to typical adult needs and characteristics.
Lifespan values identify ranges, study medians and open-ended estimates explicitly. Ratings appear only for comparable care or activity scales. Individual animals still vary with age, health, breeding, environment and previous care.
Profile description
The Storr's Monitor is native to seasonally dry woodland and savannah of northern Australia, using ground shelters, rock piles and burrows. Total length is usually 30 to 45 cm. Expected captive lifespan is approximately 10 to 15 years. The Storr's Monitor is a small but active diurnal monitor that can be defensive and fast. Its compact size does not reduce its need for heat, digging depth or behavioural enrichment. Its natural feeding biology is mainly insectivorous, taking roaches, crickets, beetle larvae and other invertebrates, with occasional small vertebrate prey.
Monitors are intelligent, active predatory lizards with high behavioural and thermal requirements. Even small species require deep substrate, robust furnishings, a very hot local basking surface, cooler secure retreats and repeated opportunities to search, dig and climb. They become obese and behaviourally abnormal in undersized enclosures, and their speed, claws and feeding response require planned handling rather than casual restraint.
Assess Storr's Monitor suitability against adult size, lifespan, enclosure cost, veterinary access and the ability to maintain accurate heat, ultraviolet, humidity and hygiene systems. The species is vulnerable to obesity and poor muscle condition when fed calorie-dense prey without sufficient space.
Storr's Monitor (Varanus storri) is a native reptile included on the Queensland Government's current keeper-licence species search; the listed Queensland requirement is Queensland Standard Licence. State and territory rules for the Storr's Monitor, including licence class, possession, breeding, movement and records, differ and can change. Obtain the Storr's Monitor only from a lawful captive-bred source; native reptiles must not be taken from the wild and exotic reptiles cannot be imported as pets.
First-time reptile owner tips
Practical preparation for welcoming this reptile into your care.
Care requirements
Use deep substrate, tight hides, strong basking heat, UVB and a secure complex enclosure. Scatter or hide prey to encourage hunting and record body weight because visual assessment can underestimate fat accumulation. The enclosure should permit uninterrupted walking, climbing and deep burrowing and must withstand strong claws and persistent escape testing. Basking surfaces need to become hot locally without heating the entire enclosure. Prey should be varied, correctly sized and presented in ways that require searching. Rodents and eggs are concentrated foods and should not dominate the diet of small monitor species.
Use the Storr's Monitor's documented species diet to select safe invertebrate or whole-prey items and portion them to maintain lean condition. Vary suitable foods without substituting fatty treats or oversized meals. Provide the Storr's Monitor with fresh water and species-appropriate humidity, including safe soaking access where its natural history supports it.
A reptile-experienced veterinarian should assess the Storr's Monitor after acquisition, with routine reviews at least annually thereafter. Record the Storr's Monitor's weight, body condition, meals, faecal output, sheds, activity, basking and reproductive events. Quarantine a new Storr's Monitor in a separate room with dedicated equipment for a veterinarian-directed period before sharing air, water, furnishings or tools. Good Storr's Monitor hygiene supports the rest of the husbandry program. Remove the Storr's Monitor's waste promptly, clean food and water containers, disinfect with a reptile-safe method and rinse thoroughly. Avoid transferring mites, cryptosporidia, adenovirus, serpentoviruses or bacteria between the Storr's Monitor and other reptiles on hands, hooks, tubs or furnishings. Wash hands after handling the Storr's Monitor or its enclosure, supervise children and vulnerable people, and keep the reptile and its equipment away from food preparation.
Urgent veterinary signs in the Storr's Monitor include open-mouth or laboured breathing, collapse, seizures, severe weakness, prolapse, uncontrolled bleeding, major burns, inability to pass eggs and persistent vomiting or regurgitation.
Conditions linked to this breed or species
Obesity
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General Malnutrition and Inappropriate Diet
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Metabolic Bone Disease / Nutritional Secondary Hyperparathyroidism
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Hypovitaminosis A
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Vitamin or Mineral Supplement Toxicity
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Dehydration
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Thermal Burns
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Hypothermia and Inadequate Basking
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Heat Stress and Hyperthermia
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Dysecdysis / Abnormal Shedding
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Skin Trauma and Abrasions
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Rostral Trauma
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Tail Injury and Autotomy
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Bite Wounds and Cohabitation Injury
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Infectious Stomatitis / Mouth Rot
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Bacterial Respiratory Disease and Pneumonia
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Septicaemia
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Abscesses
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Bacterial Dermatitis / Scale Rot
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Fungal Dermatitis and Systemic Mycosis
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Snake and Lizard Mite Infestation
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Ticks
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Intestinal Nematodes and Other Helminths
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Coccidiosis
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Cryptosporidiosis
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Amoebiasis
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Flagellate and Other Protozoal Enteritis
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Salmonella Carriage and Salmonellosis
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Mycobacteriosis
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Conjunctivitis and Keratitis
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Cataract and Lens Disease
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Cloacal Prolapse
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Constipation and Obstipation
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Gastrointestinal Impaction and Foreign Body
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Regurgitation and Vomiting
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Dystocia / Egg Retention
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Preovulatory Follicular Stasis
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Hemipene or Phallus Prolapse
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Gout and Hyperuricaemia
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Chronic Kidney Disease
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Hepatic Lipidosis and Chronic Liver Disease
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Neoplasia / Cancer
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Fractures and Orthopaedic Trauma
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