To care for a leopard gecko, provide a secure enclosure with a warm-to-cool temperature gradient, warm, cool, and humid hides, low-level UVB, and a varied diet of gut-loaded, supplemented live insects. Test the setup before bringing the gecko home, weigh and observe it regularly, and contact a reptile veterinarian when health changes persist.
Housing a leopard gecko
A leopard gecko needs a secure, well-ventilated enclosure with more floor space than many older care sheets suggest. The RSPCA’s current minimum for one adult is 60 × 30 × 40 cm (about 24 × 12 × 16 inches); a larger enclosure is preferable when you can provide a safe, usable gradient and plenty of hides.
Use a secure lid or doors that cannot be pushed open. Before the gecko arrives, run the complete setup for at least one week, as the RSPCA recommends. This gives you time to find temperature, humidity, or equipment problems before the animal is at risk.
Create separate warm and cool zones
Do not aim for one temperature across the entire enclosure. A leopard gecko must be able to move between warmer and cooler areas to regulate its body temperature.
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| Area | Useful starting range | How to check it |
|---|---|---|
| Warm end | About 80–90°F (27–32°C) | Use a thermometer in the warm zone; check the surface separately if providing a basking spot. |
| Cool end | About 75–80°F (24–27°C) | Use a separate thermometer at the gecko’s level. |
These ranges come from veterinary guidance including PetMD and Merck Veterinary Manual; measurement points differ among guides, so do not rely on a single “tank temperature.” A digital thermometer at each end, plus an infrared thermometer for surfaces, gives a clearer picture.
Control heat sources with a suitable thermostat. An uncontrolled under-tank heater can burn a gecko, and hot rocks should not be used because they can overheat or injure reptiles. Follow the heating equipment manufacturer’s instructions and check the enclosure after any seasonal room-temperature change.
Provide three hides
At minimum, offer:
- A warm hide on the heated side.
- A cool hide on the opposite side.
- A humid hide containing clean, damp material to help with shedding.
The gecko should be able to hide without losing access to its preferred temperature. Refresh the humid hide regularly so it stays damp rather than stagnant or soaked. The rest of the enclosure should remain relatively dry; a permanently damp vivarium can contribute to skin and respiratory problems.
Lighting and UVB
Current welfare guidance supports providing low-level UVB rather than assuming a nocturnal leopard gecko never needs it. The RSPCA gives an example of approximately UVI 0.7 in the basking zone and zero in shaded areas. Use a guarded fixture, install it at the distance specified by the manufacturer, and replace the lamp according to its stated schedule.
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Choose substrate carefully
Substrate advice is not completely uniform. Paper towel, slate, rough flat stone, clay-based substrate, and reptile carpet are commonly used. The RSPCA permits a properly prepared mixture of approximately 50% organic soil and 50% clean play sand for healthy adults in a well-established enclosure, while some veterinary guidance recommends avoiding loose substrate because ingestion may contribute to obstruction.
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For juveniles, quarantine enclosures, or geckos that are ill, a non-loose substrate is the conservative option. Never use calcisand, crushed walnut shell, corncob, beech chips, or sharp builder’s sand. Remove feces and soiled material promptly, and clean the enclosure with reptile-safe products.
Keep leopard geckos separately
Leopard geckos do not need a companion. Do not house males together: territorial aggression and competition can cause serious injuries or chronic stress. A male and female can breed, and even females housed together may compete for food, heat, or hides. Individual housing makes feeding, weight monitoring, and illness detection easier.
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What leopard geckos eat
Leopard geckos eat live, appropriately sized invertebrates. They should not be fed fruit, vegetables, or a vegetarian diet.
Suitable feeders include:
- Crickets
- Dubia roaches
- Locusts
- Mealworms
- Superworms
- Silkworms
- Calciworms, also called black soldier fly larvae
Offer prey no larger than the gecko’s head. Rotate feeder species instead of relying on one insect. Waxworms are high in fat and are best reserved for occasional use rather than treated as a staple.
Gut-load and supplement the insects
Gut-load feeder insects for approximately 24–48 hours before feeding them, following RSPCA and VCA guidance. Use a formulated gut-loading diet along with suitable vegetables and a source of hydration. The insects then provide more useful nutrients to the gecko.
Dust prey immediately before feeding with the calcium and vitamin product appropriate for your gecko. There is no single safe schedule for every animal: the correct plan depends on the supplement label, the gecko’s age and health, the amount of UVB provided, and veterinary advice. Excessive supplementation—particularly excess vitamin D3—can also cause harm, so do not combine products or increase doses casually.
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A shallow dish of plain calcium can be offered, but it does not replace gut-loaded, properly supplemented prey.
How often should you feed?
Published recommendations vary. The RSPCA suggests daily feeding for juveniles and feeding adults every other day; VCA gives a range of every one to two days for juveniles and two or three meals per week for adults. Portion size, prey type, age, growth rate, and body condition account for much of this difference.
Use these as starting ranges rather than fixed rules. Weigh a growing gecko regularly, monitor its body condition, and adjust the plan with a reptile veterinarian if weight is falling, rising too quickly, or failing to increase as expected. Remove uneaten live insects after feeding. Crickets and other prey can bite a gecko if left in the enclosure.
Water
Provide clean, shallow water at all times. Place the dish toward the cool end, clean or replace the water at least daily, and change it immediately if it becomes soiled. A shallow dish reduces the risk of difficulty climbing out and is easier to keep hygienic.
Leopard gecko health and prevention
Watch for metabolic bone disease
Metabolic bone disease is commonly linked to husbandry and nutrition problems, including inadequate calcium, an unsuitable calcium-to-phosphorus balance, vitamin D3 deficiency, insufficient UVB, or temperatures too low for normal metabolism.
Warning signs include muscle twitching, swollen limbs, soft or fragile bones, difficulty moving, and deformities affecting the legs, jaw, spine, or tail. These are not problems to correct with a quick home supplement dose. Arrange prompt care with a reptile veterinarian.
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Prevent and respond to retained shed
Skin can remain around the toes, eyes, or other areas after a shed. A correctly maintained humid hide supports normal shedding, but do not forcibly peel stuck skin. Persistent retained shed, swollen toes, eye trouble, or darkening and discoloration of tissue needs veterinary advice. Attempting to pull shed away can tear delicate tissue or restrict blood flow.
Understand impaction risk
Impaction is not simply a “sand problem.” Ingestion of unsuitable substrate, dehydration, inadequate heat, and nutritional or underlying health problems may all contribute. Constipation, abnormal droppings, lethargy, appetite loss, or weight loss should be assessed rather than treated repeatedly at home.
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Reptiles often hide illness, so small changes matter. Check the following:
- Body weight and overall body condition
- Appetite and feeding response
- Droppings and urates
- Activity and movement
- Eyes, skin, toes, limbs, jaw, and mouth
- Tail condition and gradual changes in body shape
The tail stores fat and nutrients, so progressive thinning can indicate inadequate intake or illness. Tail size should not be judged in isolation; assess the entire animal and its weight trend.
Females can lay eggs without a male
An adult female may produce infertile eggs even when she has never been housed with a male. Provide an appropriate moist nesting area. Seek veterinary help if she becomes unusually swollen, strains, stops eating, or appears unable to lay. Egg binding can become life-threatening.
Independent reader supportYour contribution helps us test, update, and keep practical guides available for everyone.When to contact a reptile veterinarian
Arrange an examination for a new gecko and do not wait for severe deterioration when abnormalities persist. Seek prompt veterinary care for:
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- Unexplained weight loss or prolonged appetite loss
- Abnormal feces, constipation, or suspected obstruction
- Breathing difficulty
- Swollen limbs or jaw, twitching, or trouble walking
- Severe lethargy, wounds, or major changes in behavior
- Retained eye caps or repeated shedding problems
- Straining or suspected egg binding
Do not respond to illness by simply raising the temperature, force-feeding, or giving human medication. Loss of appetite and constipation can result from husbandry errors, parasites, obstruction, reproductive disease, or systemic illness, and the treatment depends on the cause.
Hygiene and safe handling
Reptiles can carry Salmonella without appearing sick. Wash your hands after handling the gecko, its enclosure, food, or equipment. Do not clean reptile supplies where food is prepared. Take extra care around young children, older adults, pregnant people, and anyone who is immunocompromised.
Handle calmly and support the body. Never pick up a leopard gecko by its tail; tail loss is a defense response and, although the tail can regrow, the injury is stressful and requires proper care.
New-owner setup checklist
- Choose a secure enclosure at least 60 × 30 × 40 cm for one adult, or larger if practical.
- Install thermostatically controlled heating and measure both ends separately.
- Add warm, cool, and humid hides.
- Install guarded, low-level UVB and set a day/night timer.
- Choose a safe substrate, using non-loose material for juveniles, quarantine, or illness.
- Place a shallow water dish in the cool end.
- Buy several suitable feeder species, gut-loading food, and the correct supplements.
- Run and test the enclosure for at least one week before arrival.
- Arrange a reptile-veterinary check and begin a simple weight and health log.
FAQ
What size enclosure does an adult leopard gecko need?
The RSPCA lists 60 × 30 × 40 cm as a minimum for one adult, approximately 24 × 12 × 16 inches. A larger enclosure is preferable when it can provide a secure thermal gradient, hides, and usable floor space.
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Low-level UVB is recommended by newer welfare guidance. The RSPCA gives an example target of about UVI 0.7 in the basking zone with zero UVB in shaded areas. Use a guarded fixture at the manufacturer’s recommended distance and turn visible lighting off at night.
How often should a leopard gecko eat?
Juveniles commonly start with meals daily or every one to two days. Adults may be fed every other day or two to three times weekly. Adjust portions and frequency for age, body condition, weight trends, prey type, and veterinary advice.
What are signs that a leopard gecko needs a veterinarian?
Prompt veterinary assessment is appropriate for unexplained weight loss, prolonged appetite loss, abnormal droppings, breathing difficulty, swollen limbs or jaw, severe lethargy, wounds, retained eye caps, or suspected egg binding. Do not force-feed or give human medication without veterinary direction.
The Bottom Line
Good leopard gecko care is built around choice: a warm side and cool side, several hides, dry surroundings with one humid refuge, safe low-level UVB, and a varied diet of gut-loaded, supplemented insects. Weigh the gecko regularly, remove uneaten prey, maintain strict hygiene, and involve a reptile veterinarian early when weight, movement, droppings, shedding, or appetite changes.
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