The leopard gecko (Eublepharis macularius) is a ground-dwelling lizard from the rocky scrublands of Pakistan and Afghanistan. Unlike most geckos, it has movable eyelids and lacks the toe pads that let other species climb glass.
What it has instead is a calm, predictable temperament that makes it ideal for reptile beginners.
These are crepuscular animals, most active at dusk and dawn. You'll see them hunting and exploring in the evening, which makes their schedule compatible with most households.
Leopard Gecko Enclosure: 20 Gallons for a Single Adult
A single adult leopard gecko lives comfortably in a 20-gallon long (30 × 12 × 12 in) enclosure for its entire life. Width matters more than height because these are ground-dwelling animals.
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Do not house males together. They will fight.
Glass terrariums are standard and work well because leopard geckos don't require high humidity. A screen top allows adequate ventilation.
- Substrate: Paper towel for juveniles. For adults, choosing the best substrate for leopard geckos — tile, excavator clay, or bioactive mixes — matters for both safety and hygiene. Avoid loose sand for juveniles under 6 months.
- Hides: Three hides minimum: warm hide, cool hide, and a moist hide (packed with damp sphagnum moss) for shedding.
- Water dish: Small, shallow dish replaced every 2-3 days. Position on the cool side.
- Decor: Cork bark flats, slate pieces, and fake plants add enrichment without raising humidity.
The moist hide is not optional. Leopard geckos shed in one piece when humidity is available at the right time.
Without it, retained shed on the toes constricts circulation and causes digit loss within days.
Leopard Gecko Temperature: Under-Tank Heater at 88-92°F Warm Side
Leopard geckos are belly-warmers. They absorb heat from the ground rather than basking under overhead lights.
An under-tank heater (UTH) connected to a thermostat set at 88-92°F is the primary heat source. Set it under one-third of the enclosure's floor area.
A thermostat is mandatory, not optional. An unregulated UTH can reach 120°F and burn the gecko through the substrate.
- Warm side floor: 88-92°F (thermostat probe on the surface)
- Cool side floor: 72-77°F
- Ambient air: 70-75°F is adequate
- Nighttime low: No lower than 65°F
UVB lighting is not biologically required for leopard geckos given adequate vitamin D3 supplementation. Low-output UVB (2.0 or 5.0 tube) provides some benefit for D3 synthesis and may improve activity levels, but it is a supplement to good husbandry rather than a requirement.
Leopard Gecko Diet: Live Insects Every 2-3 Days for Adults
Leopard geckos are strict insectivores. They eat live insects exclusively.
Do not attempt to feed vegetables, fruit, or commercial pellets. Their digestive system is not equipped for plant material.
Crickets and mealworms are the most common feeders, but variety improves nutrition. Dubia roaches are the best protein source: high protein, easy to digest, low in fat.
A healthy adult leopard gecko stores fat in its tail. A fat, rounded tail indicates good nutrition.
A thin or wrinkled tail is a warning sign of illness or insufficient feeding.
Leopard Gecko Health: Cryptosporidiosis Is the Most Serious Threat
Most leopard gecko health issues stem from incorrect temperatures, missing moist hide, or overfeeding high-fat feeders. Fix the husbandry first before assuming disease.
- Retained shed: Constricted skin on toes, tail tip, or eye caps after a shed cycle. Soak in shallow warm water for 10 minutes, then gently assist with removal using damp cotton swabs.
- Cryptosporidiosis: Chronic weight loss despite eating, progressive tail wasting. No cure. Separate and euthanize humanely with vet guidance to prevent spread.
- Parasites: Pinworms are common in wild-caught animals. Fecal test at first vet visit.
- Calcium deficiency: Tremors, rubbery limbs, inability to walk. Identical presentation to MBD in other reptiles. Preventable with consistent supplementation.
Source captive-bred animals only. Wild-caught leopard geckos carry high parasite loads and stress poorly in captivity.
Captive-bred animals from reputable breeders are healthier and already acclimated to human contact.
Handling Leopard Geckos: Calm and Easy Within 2 Weeks
Leopard geckos become handleable within 1-2 weeks of arrival, faster than most reptiles. Start with short sessions of 5 minutes after the first week of settling in.
Support the body fully and let the gecko walk across your hands rather than gripping it.
Tail autotomy is a defense mechanism: the tail detaches when the gecko feels threatened. It grows back, but the regenerated tail is cartilage-based and looks different from the original.
Never grab a leopard gecko by its tail.
Leopard Gecko Breeding: Cool Period Triggers Spring Breeding
Breeding follows a seasonal cycle. Cool the enclosure gradually in November, dropping the warm side to 75-80°F and reducing photoperiod to 10 hours.
Maintain this for 6-8 weeks through January.
Reintroduce full temperatures in February and introduce the male. Females lay 2 eggs per clutch and may produce 6-8 clutches in a season.
Provide a laying box with moistened vermiculite or coconut fiber.