House Gecko Care

The common house gecko, Hemidactylus frenatus, is one of the most widespread reptiles on the planet and one of the easiest to keep in captivity once you understand their straightforward requirements. These small, nocturnal geckos are native to Southeast Asia but have established populations across the tropics and subtropics worldwide, often living in and around human buildings where they hunt insects attracted to lights. If you live in the southern United States, you have probably already met one clinging to your porch wall at night. In captivity, they bring that same quiet industriousness to a small enclosure and reward basic care with years of low-key companionship.

In the wild, house geckos are commensal with humans, meaning they benefit from living near us without causing any harm. They inhabit walls, ceilings, window frames, and any crevice near artificial lighting where insects congregate. This close relationship with human structures means they are already adapted to the temperature ranges and environments found inside homes, which gives them a natural advantage as captive animals. They are nocturnal hunters, spending their days hidden in tight crevices and emerging at dusk to patrol vertical surfaces for prey.

Adult house geckos reach three to five inches in total length, with some individuals from certain populations reaching closer to six inches. They are slender, agile lizards with translucent skin that allows you to see their internal organs if you look closely, which is more fascinating than it sounds. In captivity, house geckos typically live five to eight years with good care, though some individuals push past ten. This is a manageable commitment compared to many reptile species.

House geckos are firmly beginner-level reptiles. Their small size means the enclosure does not dominate a room, their temperature and humidity needs are moderate and forgiving, and their insectivore diet is simple to source. The main challenge is that they are fast, fragile, and not great candidates for handling, which can disappoint keepers expecting a hands-on pet. If you appreciate watching rather than holding, house geckos are ideal. They are widely available, often free in areas where they have naturalized, and captive-bred animals can be found at reptile shows for minimal cost.

A single house gecko does well in a ten-gallon enclosure, and a pair or trio can be housed in a standard twenty-gallon tall tank. The vertical dimension matters more than the horizontal footprint because these geckos are arboreal by nature and spend most of their active time on vertical surfaces and elevated perches. A twelve by twelve by eighteen inch enclosure is a solid minimum for one adult, and going bigger lets you create a more interesting habitat that is also more enjoyable to observe.

Screen-topped glass enclosures or front-opening terrariums both work well. The key is providing adequate ventilation while maintaining moderate humidity without creating drafts. Full-screen enclosures designed for chameleons allow too much moisture loss for house geckos, while sealed containers without ventilation promote stagnant air and mold growth. A glass tank with a screen lid hits the right balance for most setups.

Temperature requirements are moderate and forgiving. Provide a warm zone of 85 to 90 degrees Fahrenheit using a small heat lamp or ceramic heat emitter positioned at one end, with the cool side sitting around 72 to 78 degrees. Nighttime temperatures can drop into the low 70s without any issues. Because house geckos are nocturnal, they do not bask the way diurnal lizards do, but they will thermoregulate by positioning themselves closer to or further from the heat source throughout their active period.

Humidity should stay between 60 and 75 percent, which is easy to maintain with light misting once or twice daily and a substrate that retains some moisture. House geckos drink water droplets from enclosure surfaces rather than from standing water dishes, so misting serves double duty as both humidity management and their primary water source. A small water dish can be included as backup, but many house geckos will ignore it entirely in favor of licking misted surfaces.

UVB lighting is a debated topic with house geckos. As strictly nocturnal animals, they do not bask under direct sunlight in the wild. However, a low-output UVB bulb does no harm and may provide benefits for calcium metabolism, especially for breeding females. Many keepers maintain healthy house geckos for their full lifespan without UVB by ensuring adequate calcium and D3 supplementation. If you choose to include UVB, a compact 5.0 bulb on a twelve-hour timer is sufficient.

Substrate can be as simple as paper towel for easy cleaning or as elaborate as a bioactive setup with tropical soil, leaf litter, and cleanup crew invertebrates like isopods and springtails. House geckos particularly enjoy cork bark flats and rounds for climbing and hiding, artificial or live plants for cover, and tight crevices created by leaning flat materials against the enclosure walls. Provide multiple hiding spots at different heights since these geckos choose their resting position based on temperature preference.

House geckos are insectivores and their diet in captivity should consist entirely of appropriately-sized live insects. The general sizing rule is nothing wider than the space between the gecko's eyes, which for adults means small to medium crickets, small dubia roach nymphs, black soldier fly larvae, and fruit flies for juveniles. Variety matters because no single feeder insect provides complete nutrition, and rotating through three or four different prey items ensures your gecko gets a range of nutrients.

Feed juveniles daily, offering three to five appropriately-sized insects per feeding. Sub-adults can transition to feeding every other day. Adults do well on three to four feedings per week, with four to six insects per session depending on the size of both the gecko and the prey items. Overfeeding is unlikely with house geckos because they are active hunters that burn calories patrolling their enclosure nightly, but consistently leaving uneaten prey in the enclosure creates stress and can lead to the insects harassing your gecko while it tries to rest during the day.

Crickets are the most commonly used feeder and work perfectly well as a staple. Small dubia roach nymphs offer better nutrition with less smell and noise. Black soldier fly larvae provide excellent calcium content and are a great supplemental feeder. For juvenile house geckos, flightless fruit flies are often the ideal starter food because of their tiny size and ease of culture. Waxworms and mealworms can be offered occasionally as treats, but their high fat content makes them poor staple choices. Mealworms also have a hard chitin shell relative to their size that can cause impaction in very small geckos, so reserve them for adults and offer them sparingly. The goal with feeders is a rotation that keeps your gecko interested and covers a broad nutritional profile without relying too heavily on any single item.

Calcium supplementation follows the standard gecko protocol. Dust prey items with plain calcium powder at every feeding for juveniles and at two out of three feedings for adults. Use calcium with D3 once a week if you are not providing UVB lighting. A reptile multivitamin dusted once a week rounds things out. Some keepers leave a small bottle cap of plain calcium powder in the enclosure, and house geckos will occasionally lick it, suggesting they can self-regulate their calcium intake to some degree.

Hydration comes primarily from misting rather than standing water. Mist the enclosure walls and decor lightly each evening before your gecko becomes active, and you will likely see them drinking within minutes of waking up. This mimics the dew and condensation they would encounter in the wild. Ensure that the misted surfaces dry by midday to prevent bacterial growth, which is where good ventilation becomes important.

Feeding challenges with house geckos are minimal. Occasionally an individual will fixate on one feeder type and refuse others, which you can work around by offering the preferred item less frequently to encourage acceptance of alternatives. If a gecko stops eating entirely, check your temperatures first since cool conditions slow metabolism and reduce appetite. Females approaching egg-laying may also reduce food intake temporarily, which is normal.

House geckos are hardy little animals that rarely develop health problems when their basic needs are met. The most common issue is metabolic bone disease from insufficient calcium or D3, which manifests as a rubbery jaw, difficulty catching prey, tremors, and limb deformities. This is entirely preventable with proper supplementation and is treatable in early stages but can cause permanent damage if allowed to progress. Stuck shed is another frequent concern, typically affecting the toes where retained skin can constrict circulation and lead to toe loss over time. Maintaining proper humidity and providing rough surfaces for rubbing against prevents most shedding problems.

A healthy house gecko has clear, alert eyes, a plump tail that serves as a fat reserve, clean vent area, and smooth skin without patches of stuck shed. They should be responsive and quick when disturbed during daylight hours, retreating to cover with fast, decisive movements. Lethargy during their active nighttime period is a more reliable indicator of problems than stillness during the day, since daytime inactivity is completely normal for a nocturnal species.

Behaviorally, house geckos are most active during the first few hours after dark, when you will see them emerge from hiding spots and begin hunting along walls and surfaces. They are vocal geckos that produce a distinctive clicking or chirping call, especially males defending territory or communicating with other geckos. This vocalization catches many new keepers off guard but is completely normal and actually one of the more charming aspects of keeping this species. Males housed within hearing distance of each other will call back and forth regularly.

Shedding occurs every few weeks and is usually completed quickly without assistance. House geckos eat their shed skin, which is normal behavior that recycles nutrients. If you notice incomplete sheds, increase humidity slightly and provide a small, enclosed humid hide with damp sphagnum moss where the gecko can loosen retained skin.

Finding a veterinarian willing and able to treat a house gecko can be challenging since many exotic vets focus on larger reptile species. Identify a herp vet before you need one and establish care early. For a species this small, prevention through proper husbandry is genuinely more effective than treatment, which underscores the importance of getting the basics right from the start.

House geckos are observation pets, not handling pets, and accepting this from the start will save you and your gecko a lot of mutual frustration. They are fast, fragile, and prone to dropping their tails when stressed, which while not life-threatening does use energy reserves and affects their appearance permanently since regrown tails never match the original. The keeper who tries to handle a house gecko regularly will spend most of that time chasing a panicked lizard around the enclosure and stressing both parties for no real benefit.

That said, most house geckos do settle down in captivity to the point where they are not terrified of your presence. A gecko that has been in its enclosure for a few weeks will learn that the giant hand that appears is associated with food, misting, and maintenance rather than predation. Many individuals will eventually hunt in full view of their keeper and may even take food from tongs, which is about as interactive as this species gets. This low-key interaction is actually quite enjoyable once you adjust your expectations.

If you need to handle your house gecko for health checks or enclosure maintenance, work slowly and gently herd them into a small container rather than grabbing directly. Cupping them loosely between both hands with minimal pressure is the safest approach when direct contact is necessary. Never grab a house gecko by the tail, and be aware that even gentle restraint can trigger a tail drop in stressed individuals. Keep necessary handling brief and return the gecko to its enclosure promptly.

Housing dynamics are worth understanding. Male house geckos are territorial and will fight if housed together, sometimes to the point of serious injury. A single male with one or two females works well if you are prepared for eggs, since healthy females will lay regularly whether the eggs are fertile or not. Single-animal setups are perfectly fine and eliminate any social stress entirely. House geckos do not need companionship from their own species to thrive.

The essential requirements for house geckos are modest: a small vertical enclosure with moderate warmth, regular misting for humidity and drinking water, a varied insect diet with calcium supplementation, and multiple hiding spots at different heights. These are simple needs that add up to very little daily time investment once the enclosure is established. Five minutes of misting, a quick feeding three or four times a week, and occasional substrate maintenance is about all these geckos ask from you.

House geckos are best suited for keepers who enjoy watching rather than handling their reptiles. They are ideal for small living spaces where a large enclosure is not practical, for first-time reptile owners who want a forgiving species to learn the fundamentals of husbandry, and for experienced keepers who appreciate a simple, elegant setup that runs itself with minimal intervention. They also work well as a second or third reptile in a collection, adding nocturnal activity to a room where all your other animals are sleeping.

The most common mistakes with house geckos are keeping the enclosure too dry, using feeder insects that are too large, and attempting too much handling. Dry conditions lead to shedding problems that can cost toes over time. Oversized prey items can injure a gecko or simply be ignored, leaving crickets loose in the enclosure overnight. Excessive handling creates chronic stress that suppresses appetite and immune function in an animal that gains nothing positive from the experience. Each of these mistakes is easy to avoid by understanding the species from the start.

Another frequent error is underestimating escape potential. House geckos can squeeze through remarkably small gaps and are fast enough to bolt through an open enclosure door before you react. Ensure all screen lids fit tightly, check for gaps around any cord entry points, and always be deliberate and careful when opening the enclosure. A loose house gecko in your home will likely survive just fine eating the insects it finds, but catching one again is an exercise in humility.

House geckos offer a keeping experience that is simple, affordable, and quietly satisfying. They lack the wow factor of larger or more colorful species, but they make up for it with hardiness, low space requirements, and the nightly entertainment of watching a small predator do what it was built to do. For the keeper who values function over flash, a house gecko setup can be one of the most rewarding enclosures in the room.

The best thing about house geckos is that they ask very little and give back a surprising amount. A well-maintained enclosure with healthy geckos chirping in the evening and hunting under dim light provides a kind of ambient natural presence that larger, more demanding species cannot match. They are proof that good reptile keeping does not require a massive investment of money or space, just attention to the basics done consistently.