Cuban ashy gecko
Sphaerodactylus elegans
Photo: Sphaerodactylus elegans · iNaturalistuser: thibaudaronson · CC BY-SA 4.0 · Changes and credits
These guides provide general husbandry information and do not replace veterinary assessment. If your animal shows symptoms or its condition worsens, contact a veterinarian experienced with exotic animals.
- Warm zone
- Daytime air: 24–27 °C
- Cool zone
- Enclosure air: 24–27 °C
These notices cover the cited provisions, not every possible national or local rule. Check additional requirements with the competent authority.
Description
Sphaerodactylus elegans is a tiny Caribbean gecko native to Cuba and nearby islands. Juveniles have strongly contrasting bands that change as they grow. It lives mainly among leaf litter, bark and low retreats, where its minute size allows it to exploit narrow crevices and small invertebrates.
Behaviour
Observe the individual’s behaviour and limit handling.
Housing together
For Sphaerodactylus elegans choose one adult or an established compatible pair. Do not form large groups or combine multiple males. In a pair distribute small hides and tiny prey through the litter and check that both eat; separate any animal that is chased or loses weight.
Enclosure and climate
Cover the moist substrate with leaf litter and bark, and add low climbing supports. Secure rocks directly to the enclosure floor and close gaps that hatchlings can pass through.
Night: ≥18 °C. Daytime air range, without a verified surface basking target; avoid overheating a small enclosure.
Setup
Spread litter around bark without filling entrances and use low supports. Check gaps against hatchling size.
Warm area, cool area and hides
If heating is specified, place it at one end and distribute hides between that area and the cool side. Choose openings and internal space suitable for the body; after adding bedding, check that entrances remain clear. Set the dish on a stable base and leave routes between retreats; use low supports only where suitable for the species.
Testing and access
Connect specified heat sources to compatible thermostats and guard against contact. Secure probes according to device instructions; measure air at resting sites and heated surfaces separately with independent instruments. In housing with water, also check water temperature and quality: one zone’s thermostat does not control the others.
With the complete enclosure running, record day and night readings and compare them with the sheet. Test doors, cable openings and cleaning access, keeping vents clear. Change one variable at a time and recheck after each adjustment.
Lighting and UVB
Ferguson zone not assigned with sufficient precision to this taxon.
One UVI peak is not verified for this entry. Adjusting the installation requires a target for the identified species and origin; the layout should provide screened areas and voluntary light access. A missing number does not establish that UVB is useless.
UVB is recommended at an intensity appropriate to the species, with the option to withdraw from the light. Evidence of its necessity varies between animals: assess exposure alongside diet and species identification.
UVA is recommended as part of daytime lighting, including when UVB has not been shown to be indispensable. Check the UVB source’s spectrum, as it may already emit UVA: a second lamp is not automatically necessary.
Linear UVB tube with reflector, sized once species UVI is established; no single verified percentage for this entry.
For maintenance, a cycle of approximately 12 hours of light and 12 hours of darkness can serve as an initial reference. Use a timer to switch lights off at night, and keep retreats available so the animal can withdraw from light during the day. Adapt day length to species and origin, following the specific guidance for seasonal care and breeding.
Light in the animal’s daily life
Maintain litter and retreats that block a direct view of the lamp. Do not assign this small gecko a Phelsuma peak simply because it may be active by day.
An example layout in the enclosure
To make the layout concrete, take housing measuring 30 × 30 × 30 cm, using the first dimensional configuration in the sheet. This is a mounting example: retain the conditions and any alternatives attached to the stated minimum.
In a wooden enclosure with internal lighting, imagine the tube 25 cm above the floor and the back or head at 10 cm. The geometric distance is therefore 15 cm. The branch or platform lies below animal height, according to body size. Place lighting over one side, with a route to fully screened retreats.
In a glass enclosure with a mesh roof, retain the same animal height and imagine the tube 5 cm above the mesh: distance becomes 25 cm. Mesh attenuates UV variably; ordinary glass roofs block UVB. Increasing the percentage alone is insufficient: measure beneath the mesh and adjust height, output or layout as needed.
These distances describe the example, not a safe clearance for every lamp. First establish a verified UVI target for the identified taxon. Also respect the minimum clearance specified for the model used. Recheck with furnishings, guards and mesh installed, including the highest reachable points and animal growth.
Choosing and checking lighting
First define the patch that should illuminate the whole body and the route to a screened retreat. For a broad patch, select a linear tube with reflector; consider a compact only if its useful patch covers the body and leaves an accessible gradient. Check model, output, reflector and mounting distance, then compare measured UVI with the species target. Label UVB percentage alone cannot determine distance and intensity.
The decisive check uses a UVI meter facing the source at animal height. Check the centre and edges of the exposed patch, the highest supports and retreats, which must allow withdrawal from UV. Repeat after moving equipment, changing lamps and plant growth. Without a meter, use the manufacturer’s instructions and measurements for the exact configuration, including safety clearances.
When UVB or UVA are absent
When keeping without UVB, D3 must be supplied through a complete diet or species-appropriate supplementation. Calcium alone does not replace D3. Check existing amounts in prepared diets and multivitamins before combining products; dosage also depends on diet and cannot be derived from lighting hours.
UVA contributes to environmental perception and behaviour and cannot be replaced by vitamins or calcium. A reptile UVB source normally also emits UVA: check its declared spectrum. If the existing lighting lacks it, complete the installation with a suitable source; an ordinary white LED does not guarantee UVA and a UVA-only lamp does not provide UVB.
Humidity and ventilation
Maintain humidity at 60–70%, with ventilation and surface drying between mistings. Measure near hides without letting the hygrometer touch wet bedding, and also inspect substrate beneath retreats. If readings stay outside the specified values, check blocked vents and standing water before adjusting water input; recheck after the change.
Feeding
Sphaerodactylus elegans needs microfeeders; a cricket suitable for a leopard gecko may be too large. Check that each individual actually catches food.
Recommended foods
The tiers describe dietary use: rotate foods within each tier rather than treating them as an absolute nutritional score.
| Food | Dietary role | Benefits and limits | Preparation |
|---|---|---|---|
| Cultured fruit flies, pinhead crickets and tiny roach nymphs | Main choices | Prey must be catchable even by hatchlings; varied microfeeders reduce reliance on one culture but still need calcium and vitamins. | Keep at least two staggered cultures. Dust small batches and place them near cover; count the prey actually eaten. |
| Silkworms and black soldier fly larvae | For rotation | Diversify texture and nutrients. Black soldier fly larvae can supply more calcium, but content depends on rearing: they do not make the entire diet complete. | Choose appropriately sized feeder larvae. Keep silkworms on their specific food; check the supplier’s supplementation guidance. |
| Wild insects, fireflies and contaminated prey | Avoid / not a staple | May carry pesticides, parasites or toxins; a healthy appearance does not establish safety. | Use traceable feeder cultures; do not collect insects beside roads or treated gardens. |
Comparable nutritional values
Protein, fat, calcium and phosphorus are percentages of dry matter, excluding water; dry matter itself is a percentage of fresh weight. These are reference analytical values compiled in a clinical table, not guaranteed contents of your batch or a universal ranking. Age, rearing, feeding and supplementation change composition. Do not compare them directly with fresh-food percentages or already diluted prepared diets. Comparable numbers are not provided for other foods.
| Insect | Dry matter | Crude protein | Crude fat | Calcium / phosphorus | Ca:P |
|---|---|---|---|---|---|
| Fruit flyDrosophila melanogaster | 30.9% of fresh weight | 68% DM | 19% DM | 0.2 / 1.3% DM | 0.15:1 |
DM = dry matter. Ca:P describes calcium relative to phosphorus before supplementation: a protein-rich feeder may still be calcium-poor. Offered portions remain those for this species and life stage.
Meals by age and size
| Stage and size | Frequency | Amount per meal |
|---|---|---|
| Young: from first feeding until growth is well established | Daily | Offer a small batch of microfeeders near the animal; observe catches for 5 minutes and add more only once the previous batch is eaten. Record the total; do not allow insects to accumulate. |
| Juveniles and subadults: still growing noticeably | Daily | Offer a small batch of microfeeders near the animal; observe catches for 5 minutes and add more only once the previous batch is eaten. Record the total; do not allow insects to accumulate. |
| Adults: near final size, growth has slowed | Every other day | Offer a small batch of microfeeders near the animal; observe catches for 5 minutes and add more only once the previous batch is eaten. Record the total; do not allow insects to accumulate. |
Adjusting portions
To assess the portion, compare the amount and type of food eaten with growth and body condition. Weekly weighing of juveniles and monthly weighing of adults helps follow the trend. Adjust the ration gradually when growth or reserves require it; reduce it if body condition indicates excess weight or leftovers remain. Investigate unexpected weight loss or abnormal swelling rather than addressing it only with more or less food.
Preparing and offering meals
Prepare insects during the 24–48 hours before feeding: keep them in their culture container with a complete feeder diet and safe hydration. Check access to food and water and remove spoiled leftovers. Then select feeders of the specified size and prepare only the batch to be offered. This step, called gut-loading, improves prey quality; bran or potato alone do not correct deficiencies.
At feeding time the prey should be easy to swallow. As an initial guide, choose insects no wider than the space between the eyes, then adapt size to the mouth and the animal’s response. Offering them individually or in an escape-resistant dish lets you see actual intake and remove leftovers.
Trial amounts are a starting point for a healthy, active animal at correct temperatures: record intake and weight trend, then adjust the ration. Do not feed again merely because it continues striking at prey.
Calcium and vitamins
Immediately before feeding, lightly coat low-calcium insects with phosphorus-free calcium: they should remain visible, without clumps. Common insects often have an unfavourable calcium:phosphorus balance; rotating them alone does not correct it.
Choose one supplementation programme: plain calcium for ordinary meals and a species-appropriate multivitamin at its labelled feeding intervals. Record the product and its existing D3 and vitamin A; do not add a second dose to meals using a combined product. With measured UVB, agree the oral D3 provision; product concentrations are not interchangeable.
Daily care
First days
Keep retreats accessible and observe without opening them to look for the animal. Check climate readings from outside, offer scheduled food and record actual intake. Prepare the scales and container before weighing so the transfer stays brief; compare weight with earlier records rather than relying on appearance alone.
Cleaning
Keep animals and equipment away from kitchens and food areas, use tools dedicated to each enclosure and wash your hands with soap and running water after handling animals, food, tank water or furnishings. Quarantine new arrivals separately and agree the duration and checks with a veterinarian before introducing them to established animals.
Handling
Before a transfer, prepare an open container and an access route. Allow the animal to enter where possible; if support is necessary, support its body without gripping the tail and minimise time out of the enclosure. Stop repeated attempts to grasp it and allow withdrawal to a retreat.
Checks
Record weight, appetite and behaviour; consult a veterinarian experienced with the species if changes persist. For laboured breathing or wounds, contact them promptly without waiting for symptoms to persist.
Breeding
Sex, maturity and readiness
Confirm species and sex in adults: juvenile pattern differs and colour alone is insufficient. Prepare cultures of small fruit flies before pairing, because hatchling food is the main practical constraint.
Start a record for each breeding animal with identity, origin, documented age and previous weights. Compare the weight trend with growth and body condition; delay introductions for animals still growing rapidly, losing weight or recently acquired. Use stated ages as guidance alongside these checks. If sex cannot be identified reliably, obtain assessment by qualified personnel before pairing.
Preparation and seasonal cycle
A mild seasonal rest followed by increasing day length may encourage breeding. Maintain dense litter and shelters and discreetly observe the pair; do not dry the forest floor to imitate a desert winter.
Before encounters, prepare and test offspring enclosures and have first foods available. Check records for regular adult feeding and good body condition, then verify access from exposed areas to retreats. If the species protocol includes seasonal changes, adjust settings gradually and record the response. Record night-time air, surface and egg temperatures separately, noting where each is measured. Keep water available throughout preparation.
Courtship and mating
Introduce only identified, compatible adults, with another enclosure ready. Observe from a distance and end the encounter if you observe persistent pursuit, injuries or an animal unable to move away from its partner; do not forcibly separate animals during copulation. Record the date, both identities and what you actually saw: courtship, contact or mating alone does not prove fertilisation.
Before laying and the nest
This species lays one egg at a time, potentially about every three weeks. Offer small tubes and litter shelters; inspect gently without overturning the entire floor and identify each egg separately.
Maintain a suitable laying site even without a male: females can produce unfertilised eggs. Persistent straining without laying, weakness or tissue protruding from the vent require prompt veterinary assessment. Do not wait for a predicted laying date if these signs appear. Do not squeeze the abdomen, pull eggs or give drugs to induce laying without veterinary direction.
Egg incubation
About 80–90 days of development are reported, but the associated temperature is insufficiently explicit: do not treat this as a firm deadline. Protect the shell on a stable ventilated support, moist around it but without direct water.
Test the system before laying with an independent probe at egg height. Use clean, labelled containers, closed but allowing air exchange, with room for eggs and hatchlings. Keep eggs in their original orientation and do not detach eggs glued to their support. The substrate should retain moisture without free water on the shell; check condensation and water loss, adding water at the edge of the substrate rather than onto eggs. Record temperature and events daily without needless opening. The stated times are approximate: do not increase heat to meet a date.
First meals and juvenile care
Prepare enclosures with fine litter, low hides and gap-free closures. Offer Drosophila melanogaster, supplementary springtails and genuinely tiny crickets; observe hunting before increasing prey size. Do not house neonates with adults.
During the first weeks, monitor each youngster: a feeding group does not guarantee that every individual eats. Record intake, droppings and weight at regular intervals to follow growth and adapt housing and food size. Provide separate accommodation if competition prevents an individual from feeding or size differences become marked. Document repeated independent meals before transfer to another keeper.
Female recovery
After reproduction provide water and the usual balanced diet, initially in manageable portions; monitor weight, activity and return of appetite. Keep supplements and lighting consistent with the feeding guide. Avoid further introductions until the previous condition has recovered; later clutches may occur without another mating. Persistent straining, weakness or protruding tissue require veterinary attention, without squeezing the abdomen.
Equipment and example diary
Place the nest where it can be checked without dismantling the enclosure. Label containers with female identity and laying date and prepare the specified medium; for attached eggs, instead provide guards in place without detaching them. If using an incubator, install a thermostat and independent probe and test it before laying. Run offspring enclosures too and prepare scales and first food, reserving capacity for later clutches.
A consistent diary using actual dates helps follow reproduction in Sphaerodactylus elegans. Start with adult identity, weight and condition, then record observed encounters, laying or birth and development conditions. After emergence record the first meal actually accepted and each youngster’s growth while continuing to follow female recovery. Over time these records help identify your lineage’s pattern without turning approximate durations into deadlines.