Common Sandfish

Explore all 1 supporting guides ↓

The sandfish lizard is a small desert skink. It spends most of its life buried in sand. It gets its name from a swimming motion: a smooth, side to side glide through loose sand with its limbs tucked against its body.

The species is native to North Africa and the Middle East. It is one of the most unusual burrowing lizards kept by specialist reptile hobbyists.

As an Amazon Associate, Lizardist earns from qualifying purchases. Some product links on this page are affiliate links.

The sandfish belongs to the family Scincidae, the skinks. Its genus, Scincus, is the type genus for the whole family. Three subspecies have historically been recognized.

These are the nominate form, a northern form called cucullatus, and a form called meccensis found on the Arabian Peninsula. A few forms once treated as subspecies are now full species, including albifasciatus, laterimaculatus, and conirostris.

In the wild, the sandfish ranges across a wide belt of desert. That belt runs from Mauritania and Senegal through Algeria, Libya, Egypt, and Sudan. It continues on into Israel, Jordan, Iran, Saudi Arabia, and the wider Middle East.

It lives on loose, fine sand dunes and flats with sparse plant cover, the soft substrate it needs in order to swim.

Sandfish Lizard Care Basics

Caring for a sandfish lizard means building the enclosure around one fact. This animal spends nearly all its time buried under the surface. Keepers commonly report that the biggest mistake is a thin layer of sand borrowed from a gecko setup.

This species needs enough loose substrate to dive and move through it, not just walk on it. Everything else follows a solid care routine: a hot, dry climate, a deep sand bed, a calm feeding routine, and minimal handling.

Sandfish are not a display animal in the way many popular pet lizards are, since they stay underground most of the day. Their appeal is closer to watching unusual desert biology than showing off an animal that basks out in the open.

Enclosure Setup

A single adult sandfish does reasonably well in a 20 gallon long style enclosure. More floor space is always welcome. The single most important feature is substrate depth.

Aim for at least 8 to 12 inches (20 to 30 cm) of fine, dust free sand so the animal can fully submerge and move. A soft, playground grade silica sand or a reptile specific fine sand blend works well.

Avoid coarse, sharp, or calcium sand products made for other desert species. These can scratch a sand swimming lizard’s body and eyes. Keep the sand bone dry through most of the enclosure, with low humidity overall.

Furnish the tank sparingly with a shallow water dish and a flat rock or two. Sandfish do not climb, so height in the enclosure is mostly wasted space. For general setup ideas across species, see our guide to lizard enclosures.

Heating and Lighting

As a true desert species, the sandfish lizard needs a hot basking surface, such as one from a Zoo Med Repti Halogen Basking Spot Lamp. A basking spot around 100 to 110°F (38 to 43°C) at the sand surface is typical for desert skinks of this kind. The cool end can drop into the low 80s°F (upper 20s°C) during the day.

Because this species buries itself most of the day, heat needs to reach down into the sand. An under tank heater covering part of the floor works well. Pair it with an overhead basking bulb so the lizard can choose a hot surface spot too.

Night temperatures can safely drop into the 70s°F (low 20s°C), mirroring cold desert nights. A light to moderate UVB source over the basking area is standard practice for a burrowing desert lizard. Pair it with dietary vitamin D3, not UVB alone.

What the Sandfish Lizard Eats

The sandfish is an insectivore. In the wild it hunts by feeling vibrations from insects moving on or near the sand surface, then ambushing them from below. Published accounts describe it locating prey up to about 6 inches (15 cm) down through vibration.

In captivity, keepers commonly feed gut loaded crickets, dubia roaches, and mealworms. Dust feeder insects with calcium, such as Zoo Med Repti Calcium without D3, most feedings. Add a vitamin D3 and multivitamin supplement on a rotating schedule.

Offer food a few times a week for adults. Scatter insects across the sand surface so the lizard can hunt rather than simply eating from a bowl. A shallow water dish should always be available, even for a species built for arid conditions.

For general nutrition guidance across species, see our overview of what lizards eat.

Health and Common Problems

Respiratory infection is the main health risk to watch for. It is usually linked to sand that stays damp, or an enclosure that runs too cool and too humid. This lizard breathes while buried.

Research on its nasal passages shows an aerodynamic trap that keeps sand grains out of the lungs.

A consistently dry setup matters more here than for many other lizards. Impaction is less of a worry than in species that free range in loose substrate. Sandfish are built to move through fine sand, but avoid coarse or sharp grained substrate anyway.

Watch for lethargy, a refusal to burrow, or labored breathing. A lizard that stays exposed on the surface can also signal a problem. Sandfish are uncommon in the pet trade, so a vet with direct experience can be hard to find.

A vet experienced with desert skinks or other fossorial lizards is a reasonable substitute. Any illness that does not clear up quickly warrants a veterinary visit rather than home treatment. See our lizard health guide for general warning signs.

Behavior and Temperament

The defining behavior of this species is sand swimming. It uses an undulating, side to side motion, with limbs folded against the body, to move through loose sand much like a fish moves through water. Researchers describe this as a consistent winding gait, not the animal paddling with its legs.

Measured speeds run around one body length per second, at wave frequencies up to about 4 Hz.

Sandfish also show a behavior called stilting. They briefly lift their body up on their legs to hold it off sand that has grown too hot. Small ear openings and a transparent lower eyelid scale let the lizard sense its surroundings while covered.

This is a diurnal species, active during the day. Even so, it spends most of that activity just below the surface rather than out in the open. Handling is not a natural part of its behavior, and most keepers limit contact to brief handling during tank maintenance.

Breeding

Documented captive breeding protocols for the sandfish lizard are limited, compared with popular species like the leopard gecko. Sources also disagree on the basic reproductive strategy. A 2022 taxonomic review cited by the Reptile Database calls the species oviparous, meaning it lays eggs.

Some older accounts instead describe live birth after roughly three months of internal gestation, once a year after seasonal rains. Given that disagreement, treat egg laying as the better supported position for now.

This is a specialist species with a thin captive knowledge base. Anyone attempting to breed sandfish lizards should expect to rely on careful observation rather than a standardized protocol.

Lifespan and Size

Adult sandfish are commonly described as reaching roughly 6 to 8 inches (15 to 20 cm) in total length. Published figures vary by source, and one academic dataset reports a smaller average body length and weight than typical keeper descriptions. Treat size figures for this species as a range, not a fixed number.

Captive lifespan is commonly reported around 8 to 10 years. Documented individuals have lived anywhere from a little over 5 years to a full decade. Consistent husbandry and correct temperatures likely affect how long an individual lives.

Cost of Keeping a Sandfish Lizard

The sandfish lizard is not common in the US or UK pet trade compared with popular skinks like the blue tongue skink or five lined skink. Availability tends to sit with specialist dealers rather than general pet stores.

Buyers should expect fewer options and longer waits than with mainstream species. Ongoing costs center on substrate more than typical decor, since a proper enclosure needs a genuinely deep layer of fine sand.

That adds material cost and weight beyond a standard desert setup. Heating gear, a basking bulb, a UVB fixture, and feeder insects round out the regular costs. Our reptile supplies guide covers the general equipment list.

Frequently Asked Questions

Is a sandfish lizard a good pet for beginners?

Not really. It is a rewarding animal for an experienced keeper interested in unusual burrowing behavior. Its substrate depth needs and limited availability make it a poor first lizard.

How deep does the sand need to be for a sandfish lizard?

Most keepers aim for at least 8 to 12 inches (20 to 30 cm) of fine, soft sand. That lets the animal fully submerge and move through it the way it does in the wild.

Do sandfish lizards need UVB lighting?

Yes. Light to moderate UVB over the basking area is standard practice for this burrowing desert species, paired with dietary vitamin D3 supplementation rather than UVB alone.

What do sandfish lizards eat?

They are insectivores. Captive diets are typically built around gut loaded crickets, dubia roaches, and mealworms, dusted with calcium and vitamin supplements.

Can you see a sandfish lizard’s eyes when it is buried in sand?

Yes. It has a transparent lower eyelid scale that lets it sense light and movement even while mostly covered in sand. Several other burrowing skinks share this adaptation.

How long do sandfish lizards live?

Captive lifespan is commonly reported around 8 to 10 years. Documented individuals range from a little over 5 years up to a full decade.