How big does a Thomas's spiny-tailed lizard get?

It reaches a total length of about 26 cm, making it one of the smaller Uromastyx species. Keep this size in mind when choosing an enclosure.

Is this species suitable for beginners?

It's generally considered suited to intermediate-level keepers. Some prior experience managing reptile temperature and humidity is helpful.

How long does it live?

With proper care, it can live 25 years or more. Consider this long lifespan when planning to bring one into your home.

Is this species subject to any legal regulations?

Omani Spiny-Tailed Lizard is listed in CITES Appendix II. International trade requires a permit from the exporting country, but as far as CITES is concerned, no registration is needed to buy or sell individuals already legally in Japan.

What is its temperament like?

It has a calm temperament and is a diurnal lizard that enjoys basking. Its namesake spiny tail is used purely for defense.

Omani Spiny-Tailed Lizard

The Thomas's spiny-tailed lizard (Omani spiny-tailed lizard) is one of the smaller species in the Uromastyx genus, native to the coastal areas of Oman and Kuwait, reaching a total length of around 26 cm. Its sturdy build and thick, spike-covered tail give it a tough, striking look, while its compact size makes it manageable for a dedicated keeper. Calm by nature, it's a diurnal lizard that enjoys basking and settles into a steady daily rhythm. With proper care, it can live 25 years or more, making it a genuine long-term companion. Because of its specific husbandry needs, it's generally considered best suited to keepers with some reptile experience.

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Omani Spiny-Tailed Lizard key facts

Care level: Intermediate
Lifespan: Over 25 years under good care
Size: Total length about 26cm
Temperature
Humidity: 20〜30%
Diet: Leafy greens, wild plants such as dandelion and clover, birdseed and prepared herbivorous-lizard diets
Temperature & Humidity: The basking surface must be very hot, 49-55 C, with the cool side around 29 C. Because the heat source is localised, use an enclosure large enough that the whole cage does not overheat. Its UV requirement is high, so fit a strong UVB lamp, and let the temperature fall a little at night.
Enclosure: Keep humidity very low, at 20-30 per cent. Suitable substrates include reptile sand, ground corn cob and akadama soil. It digs deep burrows in the wild, so a deep substrate is preferable; where that is impractical, provide hides of brick, rock or flowerpot.
Diet & Feeding: Herbivorous: build the diet on leafy greens such as komatsuna and on wild plants like dandelion and clover. Birdseed, prepared tortoise or herbivorous-lizard diets and vegetables such as carrot and squash can be added. It need not be fed every day.
Temperament: A threatened animal lashes its tail, hisses with a rasping call and bolts for a burrow. Captive animals also swing the tail when touched, and the spines hurt. Many adults spend most of the day resting.
Notes: The genus Uromastyx has been on CITES Appendix II since 4 February 1977. Appendix II species need no individual registration certificate in Japan, and the lizard is neither a designated dangerous animal nor an invasive alien species. It is eaten within its range, where the meat of the thick tail is especially prized.

TraitsUromastyxMiddle EastSmall speciesCITES IILizard

About Omani Spiny-Tailed Lizard

A small Uromastyx species native to coastal Oman and Kuwait, reaching about 26 cm in length. With proper care it can live 25+ years, making it a good match for intermediate-level keepers.

7 things to know before welcoming a Omani Spiny-Tailed Lizard

1Needs an Arid Setup
Native to rocky, sandy desert habitat, this species needs a dry enclosure with proper UVB and basking lighting. Excess humidity can lead to health problems, so avoid overly moist conditions.
2A Compact ~26 cm Lizard
Among Uromastyx species, this is a relatively small one, reaching about 26 cm as an adult. Enclosure size can be planned around this modest footprint.
3Spiny Tail for Defense
True to its name, its thick, spike-covered tail is its most distinctive feature. When it feels threatened it may whip this tail as a warning, so handle it calmly and avoid startling it.
4Diurnal and Loves Basking
This lizard is active during the day and enjoys basking. Provide UVB lighting and a dedicated basking spot to match its natural daytime activity pattern.
5Mostly Plant-Based Diet
This species tends to favor a diet centered on vegetables and leafy greens. A balanced menu with added calcium supports long-term health.
6A Long-Term Commitment
With proper care, this lizard can live 25 years or more, meaning a genuinely long-term relationship. Think through your long-term care plans before bringing one home.
7Best for Experienced Keepers
Managing temperature gradients across day, night, and season calls for some reptile-keeping knowledge. First-time keepers should study care guides or consult experienced keepers before getting started.

Frequently asked questions about Omani Spiny-Tailed Lizard

Q.How big does a Thomas's spiny-tailed lizard get?: A.It reaches a total length of about 26 cm, making it one of the smaller Uromastyx species. Keep this size in mind when choosing an enclosure.
Q.Is this species suitable for beginners?: A.It's generally considered suited to intermediate-level keepers. Some prior experience managing reptile temperature and humidity is helpful.
Q.How long does it live?: A.With proper care, it can live 25 years or more. Consider this long lifespan when planning to bring one into your home.
Q.Is this species subject to any legal regulations?: A.Omani Spiny-Tailed Lizard is listed in CITES Appendix II. International trade requires a permit from the exporting country, but as far as CITES is concerned, no registration is needed to buy or sell individuals already legally in Japan.
Q.What is its temperament like?: A.It has a calm temperament and is a diurnal lizard that enjoys basking. Its namesake spiny tail is used purely for defense.