Crested geckos have become popular pets due to their unique appearance and relatively easy care requirements. As a potential owner, it is essential to understand their growth patterns and the factors that influence their size. In this article, we will delve into the average size of adult male and female crested geckos, factors affecting their size, how to ensure healthy growth, and what you should know about crested gecko growth and size.

Understanding Crested Gecko Size

To comprehend the size of crested geckos, it is crucial to know the average size of adult males and females and their growth rate. In this section, we will delve into the world of crested gecko size, exploring the average size of adult males and females, their growth rate, and the various factors that influence their size. 

Whether you’re a new owner or a reptile enthusiast looking to expand your knowledge, this section will provide valuable insights into the fascinating world of crested gecko size. Let’s dive in and unravel the mysteries of these incredible creatures’ dimensions.

The average size of adult male and female geckos

Adult male crested geckos usually measure around 8 to 10 inches (20-25 cm) in total length, with their tails accounting for about half of their body length. On the other hand, adult females tend to be slightly smaller, measuring between 7 to 8 inches (18-20 cm) in total length. It’s important to note that individual geckos may deviate slightly from these averages.

Growth rate and maturity

Crested geckos experience rapid growth during their first year of life. From hatching, they can reach sexual maturity in about 8 to 12 months. However, it’s important to remember that growth rates can vary based on genetics, nutrition, and overall health.

Factors Affecting Crested Gecko Size

Several factors influence the size of crested geckos, including genetics and inheritance, nutrition and diet, and habitat conditions.

Genetics and inheritance

The size of crested geckos is influenced by their genetic makeup, which they inherit from their parents. Breeders selectively pair geckos with desirable traits, including size, to produce offspring with specific characteristics. Understanding the lineage of a crested gecko can give you insights into its potential adult size.

Nutrition and Diet

Proper nutrition is vital for the healthy growth of crested geckos. Feeding a balanced diet that replicates their natural food sources is crucial. A staple diet for crested geckos includes commercial crested gecko food, which typically consists of a powdered formula mixed with water. Additionally, offering a variety of gut-loaded insects, such as crickets and roaches, can provide essential nutrients and encourage growth.


The habitat and living conditions also play a significant role in crested gecko size. Providing an appropriately sized enclosure that allows for climbing, hiding, and thermoregulation is crucial. Insufficient space may hinder their growth and overall well-being. Additionally, maintaining appropriate temperature and humidity levels within their habitat is essential for proper growth and development.

Ensuring Healthy Crested Gecko Growth

To ensure the healthy growth of your crested gecko, you should focus on providing appropriate housing and environment, feeding a balanced diet, and monitoring temperature and humidity levels.

Providing appropriate housing and environment

Offering an enclosure that accommodates the natural behaviors of crested geckos is crucial. A terrarium with vertical space, branches, foliage, and hiding spots mimics their natural habitat. Providing a temperature gradient within the enclosure allows them to thermoregulate effectively.

Feeding a balanced diet

A balanced diet is essential for the healthy growth of crested geckos. Alongside commercial crested gecko food, it’s important to supplement their diet with gut-loaded insects and occasional fruit treats. Ensuring a variety of food options helps provide essential nutrients for their growth and overall health.

Monitoring and maintaining temperature and humidity levels

Crested geckos thrive in a temperature range of 72-80 degrees Fahrenheit (22-27 degrees Celsius). It is crucial to use a reptile-specific thermometer to monitor the temperature inside their enclosure accurately. Additionally, maintaining a relative humidity level of around 60-80% is important for their overall health and shedding process. Regularly misting the enclosure and using a hygrometer to monitor humidity levels will help create a suitable environment for healthy growth.

Regular interaction and handling

While crested geckos are not typically known for their love of handling, regular interaction can have a positive impact on their growth and overall well-being. Gentle and minimal handling can help them become more comfortable with human presence, reducing stress and promoting their overall health. However, it’s important to remember that each gecko has its own personality and tolerance for handling, so it’s essential to respect their boundaries and not force interaction.

What You Should Know About Crested Gecko Growth and Size

As a crested gecko owner, it’s natural to be curious about the growth and size of your beloved reptile companion. Observing their development and understanding how they compare to their counterparts can provide valuable insights into their overall health and well-being. In this section, we will explore important aspects of crested gecko growth and size that every owner should be aware of. 

From comparing size differences between males and females to understanding growth charts and age-based expectations, we will navigate through the intricacies of crested gecko growth. Additionally, we’ll discuss the importance of seeking professional advice if you have concerns about your gecko’s growth or size. Whether you’re a new crested gecko owner or an experienced reptile enthusiast, this section will equip you with the knowledge needed to ensure the optimal growth and development of your crested gecko companion.

Comparing size between males and females

Male and female crested geckos exhibit slight differences in size. Males tend to be larger, with longer bodies and wider heads compared to females. These differences become more pronounced as they reach adulthood. However, it’s important to note that size alone cannot be used as the sole determining factor to identify the sex of a crested gecko accurately.

Growth charts and age-based expectations

While there are general growth patterns for crested geckos, it’s important to remember that individual geckos may vary. Growth charts can provide a rough estimate of their growth trajectory, but it’s essential to consider genetics, diet, and overall health when assessing their growth. Furthermore, it’s important to note that crested geckos may experience growth spurts and periods of slower growth, which is normal and should not be a cause for concern.

Consultation with a professional if concerned

If you have concerns about the growth or size of your crested gecko, it is advisable to consult with a reptile veterinarian or an experienced breeder. They can provide valuable insights, assess the gecko’s health, and address any specific concerns you may have. Professional advice can help ensure that your crested gecko is growing and developing appropriately.


Understanding the factors that influence crested gecko size and implementing proper care practices are crucial for the healthy growth and development of these fascinating reptiles. Genetics, nutrition, habitat conditions, and regular interaction all play a significant role in determining their size. 

By providing appropriate housing, a balanced diet, and monitoring temperature and humidity levels, you can support the optimal growth of your crested gecko. Remember to consult with professionals if you have any concerns or questions regarding their growth or size. With proper care and attention, your crested gecko can thrive and bring you joy for years to come.

Read More:

All About Crested Gecko Enclosure Set-Up: Complete Guide On Habitat

How Much Does A Crested Gecko Cost? – A Complete Budget Guide

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