Herptiles

Uromastyx geyri

Geyr’s Spiny-tailed Lizard

Uromastyx geyri (Müller, 1922)
Near Threatened (IUCN)

Basic info

Common names
  • Saharan Uromastyx
  • Spinytailed Lizard
  • Sahara mastigure
  • Geyr’s Spiny-tailed Lizard
Species nameUromastyx geyri
Scientific nameUromastyx geyri Müller, 1922
Taxonomy
Animalia
Chordata
Squamata
Agamidae
Uromastyx geyri
Max SVL 7.8 inch

Further Reading

Temperatures & Season

Day time temperatures

Background summer28 - 35 °F
Background winter20 - 25 °F
Basking spot45 - 50 °F

Night time temperatures

Background summer16 - 18 °F
Background winter10 - 18 °F

Season

Winter treatmentcooling
Photoperiod12 hours

Microhabitats

Microhabitats are specific small habitats that an organism inhabits within its broader environment. These can vary greatly depending on the species and can give us insights into the preferred living conditions of each reptile. Understanding these microhabitats can be key to providing the correct care for these animals in captivity.

  • Rocks, crevices or burrows
    Rocks, crevices or burrows
  • Grassland or savanna
    Grassland or savanna

Ferguson Zones

Ferguson Zones are a way to classify the amount of UV light that reptiles are exposed to in their natural habitats. These zones help us understand and replicate their natural light conditions in captivity, promoting the health and wellbeing of the reptiles. Below, we detail the specific Ferguson Zones of the Chinese Water Dragon, along with recommendations for replicating these conditions

The Ferguson Zone in which the Geyr’s Spiny-tailed Lizard has been placed has been chosen based upon an assessment of its typical basking behaviour and likely microhabitat in the wild.

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'Mid-day' open sun baskers
UVI range avarage: 2.6-3.5, UVI max recorded: 4.5-9.5

Recommended lighting methods in captivity

Sunbeam method

This method uses the 'Max UVI Recorded' value as a guide for the upper limit of the UVB gradient in captivity. This maximum should be the highest level which a Geyr’s Spiny-tailed Lizard can obtain at its closest approach to its UVB lamp. The highlighted area in the table below represents this range for the Geyr’s Spiny-tailed Lizard.

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More in-depth information about Ferguson zones can be found here: https://jzar.org/jzar/article/view/150

Community collected distribution (88 occurrences)

Biomes

These are the biomes the Geyr’s Spiny-tailed Lizard was found in. Click here to learn more about terrestrial ecoregions and biomes.

More species to explore

Egyptian Mastigure

Uromastyx aegyptia (Forskal, 1775)

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Ornate Mastigure

Uromastyx ornata (Heyden, 1827)

Central Netted Dragon

Ctenophorus nuchalis (De Vis, 1884)

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References

  1. Baines, F.M., Chattell, J., Dale, J., Garrick, D., Gill, I., Goetz, M., Skelton, T. and Swatman, M. 2016. How much UVB does my reptile need? The UV-Tool, a guide to the selection of UV lighting for reptiles and amphibians in captivity. Journal of Zoo and Aquarium Research. 4, 1 (Jan. 2016), 42–63. DOI:https://doi.org/10.19227/jzar.v4i1.150.
  2. Uromastyx geyri Müller, 1922 in GBIF Secretariat (2021). GBIF Backbone Taxonomy. Checklist dataset https://doi.org/10.15468/39omei accessed via GBIF.org
  3. Müller, L. Über eine neue Uromastix-Art aus der Zentral-Sahara.
  4. Blackwell, Publishing & Ltd, & Meiri, Shai. (2008). Evolution and ecology of lizard body sizes. Global Ecology and Biogeography. 17. 724-. 10.1111/j.1466-8238.2008.00414.x.
  5. iNaturalist. Available from https://www.inaturalist.org
This website is created by Jefrim Keijzer | All species