Reptile species profile
Frilled Lizard
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 Frilled Lizard is native to tropical and subtropical northern woodland and savannah, where it spends much of its time vertically on trunks and descends to feed. Total length is usually 70 to 90 cm, with a long tail and an expandable neck frill. Expected captive lifespan is approximately 10 to 15 years, sometimes longer. The Frilled Lizard is an arboreal, visually oriented and easily stressed dragon that may display the frill, gape or flee when threatened. It is better suited to experienced keepers than casual handling. Its natural feeding biology is primarily insectivorous, with larger individuals also taking occasional small vertebrate prey. Prey variety and gut loading are important.
Dragons are agamid lizards that rely heavily on behavioural thermoregulation and visually communicate through posture, colour, head and limb movements. Most captive health problems are not isolated diseases but the delayed result of incorrect basking temperature, weak or obstructed ultraviolet-B exposure, restricted exercise, unsuitable humidity or an unbalanced calcium-to-phosphorus intake. Their diurnal activity makes reduced basking, closed eyes, dark persistent colour, weakness or altered gait useful early warning signs.
The species needs vertical space, warm ambient conditions and controlled humidity without stagnant air. Chronic stress, repeated handling and exposure in an open enclosure can suppress feeding and immunity.
Frilled Lizard (Chlamydosaurus kingii) is a native reptile included on the Queensland Government's current keeper-licence species search; the listed Queensland requirement is Queensland Specialised or Advanced Licence. State and territory rules for the Frilled Lizard, including licence class, possession, breeding, movement and records, differ and can change. Keepers must confirm current licensing and movement requirements for the Frilled Lizard with the relevant state or territory authority before acquisition.
First-time reptile owner tips
Practical preparation for welcoming this reptile into your care.
Care requirements
Use a tall, densely structured enclosure with multiple vertical perches, visual cover, a high basking point, effective UVB and a warm-humid but well-ventilated microclimate. Handling should be limited to necessary health care and calm conditioning. Check temperature and lighting at the animal's level rather than relying on room readings or guesswork. The basking zone must overlap effective UVB and be separated from a genuinely cooler retreat. Replace ultraviolet lamps according to measured output and manufacturer guidance, and do not assume visible light provides UVB. Offer climbing, digging and visual cover, rotate enrichment and avoid permanent cohabitation unless the species, sex and enclosure have been carefully assessed.
Follow the Frilled Lizard's documented species diet when balancing invertebrate, plant or other appropriate foods. For the Frilled Lizard, use safe sources, sensible portions and measured supplementation rather than assuming every lizard has identical nutritional needs. Provide the Frilled Lizard with fresh water and species-appropriate humidity or retreat options without keeping an arid enclosure uniformly damp.
A reptile-experienced veterinarian should assess the Frilled Lizard after acquisition, with routine reviews at least annually thereafter. Record the Frilled Lizard's weight, body condition, meals, faecal output, sheds, activity, basking and reproductive events. Quarantine a new Frilled Lizard in a separate room with dedicated equipment for a veterinarian-directed period before sharing air, water, furnishings or tools. Good Frilled Lizard hygiene supports the rest of the husbandry program. Remove the Frilled Lizard's waste promptly, clean food and water containers, disinfect with a reptile-safe method and rinse thoroughly. Wash hands after handling the Frilled Lizard or its enclosure, supervise children and vulnerable people, and keep the reptile and its equipment away from food preparation.
Urgent veterinary signs in the Frilled Lizard 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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