Why Bearded dragons need UV lighting

Why Bearded dragons need UV lighting
Published by on
Tagged with , .
Credits: Image from abc.net.au

It has been scientifically proven that Bearded dragons need ultraviolet (UV) lighting for both physiological and behavioural reasons. They need UV lighting for two main reasons – sight and calcium absorption.

The UV spectrum can further be broken down into UVA and UVB. These are like the upper and lower ends withing this ultraviolet spectrum. There is probably a lot of overlap, but in general it can be explained as follows:

UVA – More for sight

You might recall the light spectrum (or the colours of the rainbow) from school, namely red, orange, yellow, green, blue, indigo, violet. Humans tend to see all these basic colours, but our eyes are not adapted to see the two extremes (very short and very long wavelenghts). Bearded dragons on the other hand CAN see light in the ultraviolet wavelengths. This image from wiseGEEK shows an ultraviolet enhanced photo of a flower (click to enlarge). Much prettier! Although this in a photographed example, this is how Bearded dragons see all the time – IF the flower is lit up with UV.

Why flowers? Well, it’s not about flowers, it’s about Bearded dragon food in general. UV lighting make food appear completely different to Bearded dragons – making it easier to see and probably making it looking more tasty.

UVB – More for calcium absorption

The correct amount of Calcium makes bones nice and strong and plays vital roles in the neurological system. Calcium is a VERY important mineral for Bearded dragons. Physiologically the body needs vitamin D3 to absorb Calcium. Vitamin D3 can be obtained from proper Calcium supplements (reasonable quantities) or from food (very small quantities). The major source of vitamin D3 comes from the production thereof in the skin, which needs UVB.

Also see the Bearded dragon UV lighting article for more information on how expose your Bearded dragon to the correct amount of UVA & UVB.

More Bearded dragon facts posts

The basic bearded dragon manual (ebook)
The basic bearded dragon manual ebook covers all the basic aspects needed to keep a healthy pet Bearded dragon.
22 February 2015 | 301 reader(s) found this helpful so far.
Bearded Dragon Legislation in South Africa
Bearded dragon legislation
Read more about #BeardedDragon legislation in #SouthAfrica... #BeardedDragons
4 June 2015 | | 5 reader(s) found this helpful so far.
Bearded Dragon Distribution
Bearded dragon distribution
This is where #BeardedDragons are distributed over #Australia... #BeardedDragon
29 April 2015 | | 2 reader(s) found this helpful so far.
Bearded Dragon Costs
Bearded dragon costs
See the 6 cost factors to consider before buying a #pet #BeardedDragon... #BeardedDragons
8 February 2015 | | 1 reader(s) found this helpful so far.
Bearded Dragon Price
Bearded dragon price
See the prices of #pet #BeardedDragons... #BeardedDragon
8 February 2015 | | 2 reader(s) found this helpful so far.

Did you like this post?

1 Star (2 reader(s) found this helpful)
You have not rated this post yet. You can do so clicking on the thumbs up icon.

Please share, comment & Disqus

Please use the buttons on the left or the bottom of the screen to share this post.

Your comment is important to us, but please keep the comments on point, constructive and polite.

Comment via Facebook


About the author
Renier has a keen interest in the welfare of pet reptiles. He has been keeping and treating Leopard geckos for many years and has written various forms of literature on them and other fascinating reptiles.

Renier Delport is also the author of The Advanced Bearded Dragon Manual and other Bearded dragon related eBooks.