Herptiles

Varanus macraei

Blue-spotted Tree Monitor

Varanus macraei (Böhme & Jacobs, 2001)
Endangered (IUCN)

Basic info

Common names
  • Blue Tree Monitor
  • Blue-spotted Tree Monitor
Species nameVaranus macraei
Scientific nameVaranus macraei Böhme & Jacobs, 2001
Taxonomy
Animalia
Chordata
Squamata
Varanidae
Varanus macraei
Max SVL 14.2 inch

Further Reading

Temperatures & Season

Day time temperatures

Background summer28 - 32 °F
Background winter26 - 30 °F
Basking spot35 - 40 °F

Night time temperatures

Background summer24 - 26 °F
Background winter22 - 25 °F

Season

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.

  • Ar
    Arboreal

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 Blue-spotted Tree Monitor has been placed has been chosen based upon an assessment of its typical basking behaviour and likely microhabitat in the wild.

2
Partial sun or occasional basker
UVI range avarage: 0.7-1, UVI max recorded: 1.1-3

Recommended lighting methods in captivity

Shade method

This method provides low-level 'background' UV at levels matching the Ferguson Zone Range, over a large portion of the enclosure. The highlighted area in the table below represents this range for the Blue-spotted Tree Monitor.

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2
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4
1
2
3

Sunbeam method (only for large enclosures)

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 Blue-spotted Tree Monitor can obtain at its closest approach to its UVB lamp. The highlighted area in the table below represents this range for the Blue-spotted Tree Monitor.

1
2
3
4
5
6
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8
9

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

Community collected distribution (32 occurrences)

Biomes

These are the biomes the Blue-spotted Tree Monitor was found in. Click here to learn more about terrestrial ecoregions and biomes.

More species to explore

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Varanus salvadorii (Peters & Doria, 1878)

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Emerald Tree Monitor

Varanus prasinus (Schlegel, 1839)

Black Tree Monitor

Varanus beccarii (Doria, 1874)

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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. Varanus macraei Böhme & Jacobs, 2001 in GBIF Secretariat (2021). GBIF Backbone Taxonomy. Checklist dataset https://doi.org/10.15468/39omei accessed via GBIF.org
  3. Böhme, W., & Jacobs, H. J. Varanus macraei sp. n., eine neue Waranart der V. prasinus-Gruppe aus West Irian, Indonesien.
  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