If you’ve recently noticed your Crested Gecko changing colors, you may be wondering if this is normal or a cause for concern. Understanding the reasons behind these color changes is crucial to ensure your gecko’s health and well-being. This article will guide you through the fascinating phenomenon of color change in Crested Geckos.

About Crested Geckos

Crested Geckos are popular pet reptiles originating from New Caledonia. Known for their distinctive crests and a variety of vibrant colorations and patterns, Crested Geckos are a captivating sight.

In their natural habitat, Crested Geckos are found in a range of colors, often matching the colors of their environment. This helps them camouflage themselves from predators. As pets, their colors can range from yellows, reds, and browns to various shades of creams, oranges, and even blacks.

The Phenomenon of Color Changing

Color changing is not uncommon in the reptile world. This fascinating ability is attributed to specialized cells called chromatophores found in the skin of reptiles. These cells contain pigments and reflect light, allowing the reptiles to alter their coloration.

In Crested Geckos, this color-changing ability is somewhat limited compared to some other reptiles like chameleons. However, they can still display a range of colors and patterns and can lighten or darken their coloration, a phenomenon known as ‘firing up’ and ‘firing down.’

Reasons for Color Changes in Crested Geckos

There are several reasons why a Crested Gecko might change its colors:

A. Age and Growth

Just like many other animals, as Crested Geckos grow, they can undergo changes in their coloration. Juvenile geckos often have simpler patterns and lighter colors. As they mature, their colors can become more vibrant, and their patterns more complex. This process can take up to 18-24 months as your gecko grows into adulthood.

B. Temperature Changes

Temperature can significantly influence the color of a Gecko. Cooler temperatures often cause geckos to darken their coloration, while warmer temperatures may result in lighter coloration. This is why it’s essential to maintain an appropriate temperature gradient in your gecko’s enclosure.

C. Mood and Stress

Crested Geckos can also change their color based on their mood or stress levels. When they are calm and relaxed, they typically display their normal color. However, when stressed or excited, Geckos often ‘fire up,’ showing a darker and more vibrant coloration. Stress can be caused by various factors, such as handling, environmental changes, or the presence of other geckos.

D. Time of Day

Geckos are primarily nocturnal creatures. They tend to ‘fire up’ during the night, showing off their most vibrant colors. During the day, they often ‘fire down,’ displaying a paler and less vibrant color.

E. Shedding

Geckos, like all reptiles, go through a process of shedding their skin as they grow. Prior to shedding, a Gecko’s color may appear dull or even slightly blue-tinted due to the old skin separating from the new skin underneath. Once the Gecko has shed its skin, the colors will return to their usual vibrancy.

F. Illness

Changes in color can also be a sign of illness in Geckos. If the color change is accompanied by other signs of sickness, such as lethargy, lack of appetite, weight loss, or abnormal behavior, it’s important to consult with a vet immediately.

When to Be Concerned About Color Changes

While color changes in Geckos are usually a normal part of their biology and behavior, certain changes can indicate a problem. If the color change is drastic, sudden, or accompanied by other signs of illness, it’s important to seek veterinary advice.

Moreover, changes in color that indicate stress, such as frequent and prolonged ‘firing up’ without apparent cause, may mean that your gecko’s environment is not suitable or that it’s not feeling well. It’s important to investigate potential stressors and address them promptly to ensure your gecko’s well-being.

Maintaining Your Crested Gecko’s Health

Proper care is key to maintaining your Crested Gecko’s health and normal coloration. Here are a few tips:

  • Habitat: Ensure your gecko’s enclosure mimics its natural habitat. This includes providing a temperature gradient, appropriate humidity, and plenty of places to hide and climb.
  • Diet: Feed your gecko a balanced diet of commercial Crested Gecko food, supplemented with insects and fruit purees.
  • Handling: Handle your gecko gently and minimally to reduce stress. Remember, Crested Geckos can drop their tails when stressed or threatened.
  • Regular Check-ups: Regular veterinary check-ups can help catch and address any potential health issues early.


Color changes in Crested Geckos are a fascinating aspect of their biology. While these changes are usually a normal part of their life, it’s important to know when they might indicate a problem. With a good understanding of your gecko’s behavior and proper care, you can ensure your Crested Gecko leads a healthy and vibrant life.

Read More:

How Do Crested Geckos Lose Their Tails? – Important Facts To Know!

Do Crested Geckos Need Heat Lamps? – Best Care Guide

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