Leopard Gecko Care: Setup, Diet & Common Mistakes

Leopard Gecko Care: Low-Maintenance, Not No-Maintenance

Leopard geckos are often treated like disposable starter pets, when they are a decade-long commitment.

Pet stores call them "perfect for beginners" because they tolerate mistakes better than bearded dragons or ball pythons.

They can live without UVB lighting (though low-level UVB is recommended). They don't need high humidity. They eat every 2-3 days instead of weekly. They're small enough to house in a 20-gallon tank for life.

That doesn't make them maintenance-free.

It makes them lower-maintenance, which is not the same thing.

Leopard geckos still develop metabolic bone disease without proper calcium supplementation.

They can still get impacted, especially on the wrong substrate or when kept too cold.

They still need proper temperature gradients, appropriately sized hides, and regular feeding schedules.

The difference is that leopard geckos survive improper care long enough for you to learn what you're doing wrong and fix it before they die.

That's not "easy." That's forgiving.

This guide covers what leopard gecko ownership actually requires, not the glossy version pet stores sell, but the daily reality of keeping a small desert lizard alive in a glass box.

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What Leopard Gecko Ownership Actually Costs

Leopard geckos are often sold as a cheap, easy setup. The animal itself may be inexpensive, but a proper setup is not just a "starter kit".

What you need to start:

• Enclosure: a 20-gallon long tank at the very least, larger is better
• Heat mat or overhead heat source
• Thermostat
• Three hides (warm, cool, humid)
• Shallow water dish
• Two digital thermometers
• Infrared temperature gun
• Substrate (tile or paper towels)
• Calcium supplements (with and without D3)

The Etekcity Infrared Thermometer Gun lets you point-and-click to measure hide surface temps, basking spot temps, and cool side temps in seconds instead of relying on stick-on analog dial thermometers, which can be inaccurate.

It usually costs less than a bearded dragon setup, but more than a pet store "complete starter kit".

Ongoing needs:

• Live insects, every week
• Calcium supplements
• Substrate replacement (if not using tile)
• Heat bulb replacement (if you use an overhead lamp)
• Vet visits (annual checkup and fecal test)

Leopard geckos can live 10 to 20 years with proper care, so plan for these costs over many years.

Temperature Requirements: Easier Than Most Reptiles, Still Required

Leopard geckos are from the deserts and rocky grasslands of Afghanistan, Pakistan, and India.

They need warmth, but they're more tolerant of temperature fluctuations than tropical species.

Correct Temperature Gradient

Warm side (hide surface temperature): 90-92°F

Basking spot (optional): 94-97°F

Cool side (ambient): 70-77°F

Nighttime: Can drop to 60°F without issue

These temperatures are more forgiving than those of many other popular reptiles, such as bearded dragons, which need a much hotter basking spot.

But "more forgiving" doesn't mean "optional."

If your warm hide is 82°F instead of 90°F, your gecko's digestion slows and many geckos eat less or stop eating.

Heat Mat vs Overhead Heating

Leopard geckos are one of the few reptiles where under-tank heat mats actually work as a primary heat source.

They're ground-dwelling lizards that naturally absorb belly heat from sun-warmed rocks.

Heat mat setup:

• Place heat mat under one end of the tank (covering 1/3 of the floor)
• Use a thermostat to regulate temp (unregulated mats hit 120°F+ and burn geckos)
• Place a hide directly over the warm spot
• Verify surface temperature with infrared temp gun

The iPower Reptile Heat Pad comes in sizes that fit standard 20-gallon tanks perfectly, includes adhesive backing so it stays put under the glass, and produces consistent warmth when paired with a thermostat instead of the inconsistent heat you can get from unregulated mats.

Overhead heating (alternative):

You can use a low-wattage halogen bulb or deep heat projector instead of a heat mat.

This creates a more natural heat gradient and allows for optional UVB supplementation.

Overhead heating costs more upfront than a heat mat.

Thermostat: Still Non-Negotiable

Heat mats without thermostats cause burns.

Every heat source needs temperature regulation.

Place the thermostat probe on the tank floor directly above the heat mat, not floating in the air.

Set target temp to 90-92°F.

Check temps daily with an infrared thermometer for the first two weeks until you're confident the setup is stable.

The Inkbird Reptile Thermostat is an on/off controller made for heat mats, with two probes and two outlets that work separately, and high and low temperature alarms in its app (it needs 2.4 GHz Wi-Fi for the app).

Enclosure Setup: Size, Substrate, and Hides

Tank Size

A 20-gallon long tank (30" x 12" x 12") is the bare minimum for one adult leopard gecko. A larger footprint, such as 36" x 18" x 18", is better and is what our enclosure setup guide recommends.

Larger is fine (40-gallon works well), but unlike ball pythons, leopard geckos don't get stressed in appropriately sized larger spaces.

Do not use tall tanks.

Leopard geckos are ground-dwellers. A 20-gallon tall tank (24" x 12" x 16") wastes vertical space they'll never use.

Substrate: Why We Recommend Tile

Pet stores sell "calcium sand" and "vita-sand" marketed as safe for leopard geckos.

It's not.

Calcium sand is marketed as digestible, but it is widely discouraged by reptile vets. Leopard geckos lick their surroundings and can swallow substrate while hunting insects. Healthy adults kept at the right temperatures usually pass small amounts of fine substrate, but swallowed sand adds to the risk of impaction when something else is wrong: a gecko that is too cold, dehydrated or fed insects that are too large (see the impaction section below).

Safe substrate options:

• Ceramic tile: Best option. Easy to clean, holds heat, looks natural, zero impaction risk
• Slate tile: Same benefits as ceramic
• Non-adhesive shelf liner: Cheap, replaceable, safe
• Paper towels: Ugly but functional and free
• Reptile carpet: Works but harbors bacteria if not washed weekly

Avoid:

• Calcium sand and "vita-sand"
• Loose sand for juveniles, sick geckos, or while you are still getting temperatures right
• Loose substrates (walnut shell, crushed walnut, wood chips)
• Anything the gecko can accidentally eat

Tile is the simplest, safest choice for most keepers and for every juvenile.

Hides: Three, Not One

Leopard geckos need three hides:

1. Warm hide: Placed over the heat mat or under the heat lamp. Tight-fitting (gecko should touch 3 sides when inside).

2. Cool hide: Placed on the cool end. Same size and style as warm hide.

3. Humid hide: Placed anywhere (usually on warm or neutral zone). Filled with damp sphagnum moss or paper towels. Used during shedding.

If your gecko only has one hide, it will stay in that hide regardless of temperature because feeling secure trumps thermoregulation.

Then it either overheats or stays too cold, and it may stop eating.

The Exo Terra Reptile Cave comes in sizes that fit leopard geckos perfectly (small for juveniles, medium for adults), has a natural rock appearance that doesn't look like cheap plastic, and has appropriately small entrances that make geckos feel secure instead of exposed like those giant hollow logs pet stores sell.

Decor and Climbing Enrichment

Leopard geckos are ground-dwellers but appreciate low climbing opportunities.

Add flat rocks, cork bark, or low branches (nothing higher than 6 inches, they're not arboreal and will fall).

Avoid sharp decorations that can injure soft gecko bellies.

Diet: Insects, Calcium, and Why Your Gecko Has Rubbery Legs

What to Feed

Leopard geckos are insectivores.

They eat live insects, and only live insects (they won't eat dead prey).

Good feeder insects:

• Mealworms (staple)
• Dubia roaches (best nutritional value)
• Crickets (noisy, smell bad, but work fine)
• Black soldier fly larvae (high calcium)
• Superworms (occasional treat, high fat)

Avoid:

• Waxworms except as rare treats (too much fat, addictive)
• Wild-caught insects (pesticide risk)
• Insects larger than the space between the gecko's eyes (choking/impaction risk)

Feeding Schedule

Juveniles (under 1 year): Feed daily. Offer as many insects as they'll eat in 10-15 minutes.

Adults (1+ years): Feed every 2-3 days. Offer 5-7 appropriately sized insects per feeding.

Leopard geckos are prone to obesity.

Do not leave a bowl of mealworms available 24/7 unless you want a fat gecko with fatty liver disease.

Gut-Loading Insects

Pet store crickets and mealworms are often poorly fed and low in calcium.

You need to gut-load them (feed the insects nutritious food 24-48 hours before offering them to your gecko).

Feed insects:

• Collard greens, mustard greens, or commercial gut-load powder
• Carrots or sweet potato (vitamin A)
• Commercial cricket food (an easy option)

Insects are only as nutritious as what they recently ate.

Insects that have not been gut-loaded give your gecko much less nutrition.

Calcium Supplementation: The Thing That Prevents Broken Legs

Leopard geckos fed insects without calcium supplementation are very likely to develop metabolic bone disease.

MBD causes soft bones, bent legs, tremors, seizures, and death.

It is largely preventable with proper supplementation.

Supplementation schedule:

Option 1 (No UVB lighting):

• Dust insects with calcium + D3 as often as the product label directs, and no more: vitamin D3 builds up in the body, so extra is not better
• Dust with multivitamin powder once per week

Option 2 (With UVB lighting):

• Dust insects with plain calcium at most feedings
• Dust with calcium + D3 twice per week
• Dust with multivitamin powder once per week

The Zoo Med Repti Calcium with D3 is a fine, phosphorus-free calcium powder with added vitamin D3, often used for geckos kept without UVB. Use it as often as the label directs, because too much D3 is harmful too.

How to dust:

Put insects in a plastic bag or container with a pinch of calcium powder.

Shake gently until insects are lightly coated (you should still see the insect color through a thin dust layer).

Feed immediately, powder falls off within 10-15 minutes.

Calcium dish (optional):

Some keepers leave a small dish of plain calcium powder in the enclosure.

Geckos will lick it as needed to self-regulate calcium intake.

This is supplemental, not a replacement for dusted insects.

Hydration

Leopard geckos get most hydration from insects but should have access to fresh water 24/7.

Use a shallow dish they can't drown in.

Change water daily.

If your gecko is dehydrated (sunken eyes, wrinkled skin, lethargy), soak it in shallow lukewarm water for 10-15 minutes.

Learn how to prepare insects properly in our guide to gut loading and dusting feeder insects.

UVB Lighting: Not Required, but Recommended

Leopard geckos are crepuscular (active at dawn and dusk).

They receive some natural UVB exposure but don't require it like diurnal species.

However, research summarized by Baines et al. (2016) found that leopard geckos given low-level UVB had vitamin D3 levels about 3.2 times higher than geckos relying on supplements, and these authors see no reason to withhold a low-level (zone 1) UVB gradient. Our UVB guide explains how to set one up.

If you provide UVB:

• Use a low-output UVB lamp, such as a 5% T8 tube
• Follow the lamp maker's distance guidance, and keep shaded areas
• Run 10-12 hours per day
• Replace it on the maker's schedule, even if it still glows

If you skip UVB, use calcium with D3 as the label directs, and ask a reptile vet to check your routine.

Shedding: What's Normal and What's a Problem

Leopard geckos shed every 4-8 weeks when young, less frequently as adults.

Normal Shedding Process

Before shedding:

• Skin becomes dull and pale
• Gecko may refuse food
• Increased hiding and grumpiness

During shedding:

• Gecko peels shed off with feet and mouth
• Eats the shed (this is normal, recycles nutrients)
• Process takes 10-30 minutes

A healthy shed comes off in large pieces with minimal effort.

Stuck Shed

If shed doesn't come off completely, pieces remain stuck on toes, tail tip, or around the eyes.

Causes:

• Humidity too low (humidity should be 30-40%, but humid hide should be 70-80%)
• Dehydration
• Lack of humid hide
• Malnutrition (vitamin A deficiency causes shedding problems)

Fix:

• Soak gecko in shallow lukewarm water for 10-15 minutes
• Gently remove stuck shed with damp Q-tip or fingers
• Provide humid hide for future sheds

Warning: Stuck shed on toes constricts blood flow and causes toe loss if left for multiple sheds.

Check toes and tail tip after every shed.

Health Problems: What Actually Goes Wrong

Metabolic Bone Disease (MBD)

Caused by: Lack of calcium, insufficient D3, poor diet.

Symptoms:

• Soft or rubbery jaw
• Bowed or bent legs
• Tremors or twitching
• Difficulty walking
• Kinked tail
• Lethargy and loss of appetite

MBD is largely preventable with proper calcium supplementation.

Once deformities appear, damage is permanent.

Impaction

Caused by: Eating substrate (sand), eating insects that are too large, dehydration, low temperatures.

Symptoms:

• No bowel movements for 7+ days
• Bloated belly
• Lethargy
• Loss of appetite
• Straining to defecate

Treatment:

   
• Soak gecko in warm water for 15-20 minutes daily
   
• Gently massage belly (only if you know what you're doing)
   
• Do not give oils or other oral remedies unless a reptile vet tells you to. If symptoms persist beyond 24 hours or worsen, see a reptile vet immediately.

Severe impaction requires surgery.

Prevention: keep temperatures and hydration right, feed insects of a suitable size, and use a solid substrate such as tile.

Respiratory Infections

Caused by: Low temperatures, high humidity (over 50%), poor ventilation, stress.

Symptoms:

• Open-mouth breathing
• Mucus around nostrils
• Wheezing or clicking sounds
• Lethargy
• Refusing food

Respiratory infections require antibiotics from a vet.

They don't resolve on their own.

Parasites

Common in pet store leopard geckos.

Symptoms:

• Diarrhea or runny stool
• Weight loss despite eating
• Visible worms in feces
• Lethargy

Get a fecal exam from a reptile vet within the first month of ownership.

Tail Loss (Autotomy)

Leopard geckos drop their tails when threatened or grabbed by the tail.

The tail regrows but never looks the same (stubby, different color, lacks original pattern).

Prevention:

• Never grab a gecko by the tail
• Handle gently and support entire body
• Reduce stress in enclosure

If your gecko drops its tail:

• Remove dropped tail from enclosure (gecko may eat it, that's normal)
• Keep enclosure extra clean to prevent infection
• Increase feeding slightly to support regrowth

Tail regrowth takes 3-6 months.

Loose substrate and low temperatures can lead to impaction. Learn the causes and symptoms of reptile impaction.

Common Leopard Gecko Mistakes

1. Using Sand Substrate

Pet stores sell calcium sand as safe, but swallowed sand adds to the risk of impaction, especially in a gecko kept too cold or dehydrated.

Tile is the simplest and safest choice, and the only one we recommend for juveniles.

2. Skipping Calcium Supplementation

"My gecko looks fine" doesn't mean its bones are fine.

MBD develops slowly. By the time you notice symptoms, permanent damage has occurred.

Dust insects on the schedule above: plain calcium at most feedings, and calcium with D3 only as often as the label directs.

3. Cohabitating Multiple Geckos

Leopard geckos are solitary.

Housing multiple geckos together causes fighting, stress, injuries, and death.

Males fight and can badly injure each other.

Females compete for resources and bully weaker individuals.

One gecko per enclosure. No exceptions.

4. Not Providing a Humid Hide

Leopard geckos need a humid retreat for proper shedding.

Without it, they get stuck shed on toes and lose digits.

5. Overfeeding

Obese leopard geckos develop fatty liver disease and shortened lifespans.

Adults only need 5-7 insects every 2-3 days, not unlimited mealworms 24/7.

6. Not Using a Thermostat

Unregulated heat mats cause burns.

A thermostat costs far less than treating a burn.

Final Thoughts: Low-Maintenance Doesn't Mean No-Maintenance

Leopard geckos are the easiest reptiles to keep alive.

That doesn't mean they're maintenance-free pets you can ignore for weeks.

They need daily feeding schedules, temperature monitoring, calcium dusting, enclosure cleaning, and health checks.

They live 10-20 years, which means a decade or two of sustained effort.

But compared to bearded dragons (daily fresh greens, strong UVB, a much larger enclosure) or ball pythons (higher humidity, occasional long fasts), leopard geckos are easier.

They tolerate mistakes.

They eat reliably.

They handle temperature fluctuations better than tropical species.

They can live without UVB, though low-level UVB is recommended.

If you can provide a 20-gallon tank, a heat mat with thermostat, three hides, and calcium-dusted insects every 2-3 days, leopard geckos are rewarding pets that tolerate handling, and can live for well over a decade.

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