Blue Tongue Skink Tank Size

If you’re considering bringing home a blue tongue skink as a pet, one essential aspect to consider is the appropriate tank size. Providing a suitable and spacious enclosure for your blue tongue skink is crucial for their overall well-being and happiness. In this article, we will explore the ideal tank size requirements for blue tongue skinks, ensuring a comfortable and thriving habitat for these fascinating reptiles.

Factors to Consider

Species of Blue Tongue Skink

When determining the minimum tank size for your blue tongue skink, it’s important to consider the specific species. Different species have variations in size and behavior, which can impact their space requirements. For example, Northern Blue Tongue Skinks tend to be larger and more active compared to other species, so they may require a larger enclosure.

Age and Size of Skink

The age and size of your blue tongue skink also play a crucial role in determining the appropriate tank size. Juvenile skinks will need smaller enclosures initially, but as they grow, they will require larger spaces to accommodate their size and natural behaviors. It’s essential to provide enough space for your skink to move and explore comfortably without feeling confined.

Active or Sedentary Skink

Consider the activity level of your blue tongue skink when choosing a tank size. Some skinks may be more active and require more room to roam and exercise, while others may be more sedentary. Providing enough space to engage in natural behaviors and physical activities is essential for their overall well-being.

Number of Skinks

If you have multiple blue tongue skinks, you need to consider their combined space requirements. Each skink should have ample space to move around without feeling crowded or territorial. Additionally, if you plan on housing multiple skinks together, you’ll need to provide hiding spots and separate basking areas to prevent conflicts.

Type of Enclosure

The type of enclosure you choose can impact the space available for your blue tongue skink. Glass aquariums, PVC cages, and custom-built wooden enclosures are some common options. Each enclosure type may come with its own size limitations and considerations. Ensure that the enclosure provides enough horizontal and vertical space for your skink to thrive.

Minimum Tank Size Guidelines

Juvenile Skinks

For juvenile blue tongue skinks, a minimum tank size of 20-30 gallons is recommended. This size allows enough space for their initial growth stages and provides a comfortable environment for exploration and exercise. As they grow, you may need to upgrade to a larger tank to meet their increasing size requirements.

Adult Skinks

Adult blue tongue skinks require larger tanks to accommodate their size and activity level. A minimum tank size of 40-60 gallons is generally recommended for adult skinks. Providing a larger enclosure allows them to move freely, engage in natural behaviors, and maintain a healthy level of exercise.

Multiple Skinks

If you have multiple blue tongue skinks, the tank size should increase to accommodate their combined space needs. For two adult skinks, a tank size of 75-100 gallons is recommended to ensure they have enough room to establish separate territories and reduce potential conflicts. If you plan on housing more than two skinks together, you should further increase the tank size accordingly.

Skink Length vs. Tank Length

When determining the appropriate tank size, consider the length of your blue tongue skink. The tank should be at least one and a half to two times the length of the skink. This allows enough room for them to stretch out comfortably and move unhindered.

Skink Width vs. Tank Width

In addition to the length, the width of the tank is also important. The width should be at least half the length or more. This provides ample space for your skink to turn around and explore their environment without feeling cramped.

Skink Height vs. Tank Height

While blue tongue skinks are mainly terrestrial, they can benefit from climbing structures and elevated basking spots. Consider the skink’s height and provide a tank with sufficient vertical space to accommodate these behaviors. A tank height of 18-24 inches is recommended to allow for climbing opportunities and the installation of branches or platforms.

Blue Tongue Skink Tank Size

Providing Sufficient Space

Allowing for Natural Behaviors

In order to provide a suitable environment for your blue tongue skink, it’s important to consider their natural behaviors. Blue tongue skinks are known to engage in activities like burrowing, exploring, and basking. Providing enough space allows them to perform these behaviors, promoting mental stimulation and overall well-being.

Exercise and Physical Activity

Blue tongue skinks require regular exercise to maintain their health and prevent obesity. Insufficient space can restrict their movement, leading to a sedentary lifestyle and potential health issues. Providing ample space for your skink to move around encourages physical activity, which is essential for their muscle development and overall fitness.

Preventing Stress and Aggression

Lack of space can contribute to stress and aggression in blue tongue skinks, especially when housed together. Crowding can lead to territorial conflicts and increase stress levels, which can have a negative impact on their health. By providing sufficient space, you reduce the likelihood of these issues and create a more harmonious environment.

Facilitating Temperature Gradient

Blue tongue skinks require a temperature gradient within their enclosure to regulate their body temperature effectively. Sufficient space allows for the creation of different temperature zones, including warm basking areas and cooler retreats. Having space to move between these areas allows the skinks to thermoregulate and meet their specific temperature needs.

Creating Hiding and Basking Spots

Blue tongue skinks need hiding spots and elevated basking areas to feel secure and comfortable. Sufficient space allows for the inclusion of various hiding spots, such as caves or hollow logs, where skinks can retreat when they feel stressed or threatened. Additionally, providing enough space allows for multiple basking spots, ensuring that each skink has access to a warm area to thermoregulate.

Tank Setup and Accessories

Substrate and Flooring Options

Selecting the appropriate substrate and flooring is crucial for creating a suitable environment for your blue tongue skink. Options such as reptile carpet, coconut coir, or bark chips can be used as a substrate. Ensure that the substrate is safe for your skink and retains moisture well if you choose a species that requires higher humidity levels.

Decorations and Enrichment

Adding decorations and enrichment to your blue tongue skink’s tank is essential for their mental stimulation. You can include branches, rocks, and artificial plants to create a more naturalistic environment. These additions provide opportunities for climbing, exploring, and creating hiding spots, enriching their overall living space.

Lighting and Heating

Proper lighting and heating are crucial for the well-being of blue tongue skinks. A full-spectrum UVB bulb must be provided to ensure they receive vital wavelengths for calcium absorption and overall health. Additionally, an appropriate heat source, such as a heat mat or a ceramic heat emitter, should be used to create the necessary temperature gradient within the enclosure.

Water and Humidity

Blue tongue skinks require access to fresh water for drinking and bathing. A shallow water dish can be provided to accommodate their drinking needs. Additionally, misting the enclosure or using a humidifier may be necessary to maintain the appropriate humidity levels, especially for species that require higher humidity.

Cleaning and Maintenance

Regular cleaning and maintenance of the tank are essential to create a healthy environment for your blue tongue skink. Remove any feces or uneaten food promptly to prevent the growth of bacteria or fungi. Replace the substrate regularly and clean the tank with a reptile-safe disinfectant to eliminate any potential pathogens.

Blue Tongue Skink Tank Size

Maximizing Vertical Space

Adding Vertical Structures

To maximize the available space within your blue tongue skink’s tank, consider adding vertical structures. This can include branches, logs, or artificial plants that provide climbing opportunities. These structures not only make the tank more visually appealing but also allow your skink to engage in natural behaviors and explore their environment.

Utilizing Elevated Platforms

Elevated platforms, such as rocks or reptile hammocks, can provide additional basking spots and resting areas. By utilizing vertical space, you create more options for your blue tongue skink to thermoregulate and access different temperature zones within the enclosure. These platforms also offer opportunities for climbing and exercising.

Increasing Climbing Opportunities

Blue tongue skinks can benefit from climbing opportunities, as it mimics their natural habitat and encourages physical activity. By incorporating branches, logs, or rocks at different heights, you create a stimulating environment that allows your skink to explore and climb. Ensure that these climbing structures are securely positioned to prevent collapses or injuries.

Avoiding Excessive Falls

While climbing is beneficial, it’s important to prevent excessive falls within the enclosure. Blue tongue skinks are not natural climbers and may injure themselves if they fall from heights. Ensure that any climbing structures are not too high, especially for juvenile or elderly skinks. Adding soft materials, such as reptile-safe padding, underneath climbing areas can provide a cushion in case of falls.

Custom Tank vs. Pre-Made Enclosure

Benefits of Custom Tanks

Custom tanks offer a higher level of customization and flexibility to meet the specific needs of your blue tongue skink. They allow you to design the enclosure size and dimensions according to the individual requirements of your skink and provide more control over the materials used. Custom tanks also offer more aesthetic options and can be integrated into your existing home decor.

Considerations for Pre-Made Enclosures

Pre-made enclosures can be a convenient option, especially for those new to blue tongue skink ownership. They often come in standard sizes and may include additional features such as built-in lighting and heating elements. However, it’s important to ensure that the pre-made enclosure meets the minimum size requirements for your skink and allows for proper customization and enrichment.

Evaluating Size and Dimensions

When selecting a custom tank or a pre-made enclosure, carefully evaluate the size and dimensions. Ensure that the tank or enclosure provides enough space for your blue tongue skink, following the guidelines mentioned earlier. Consider the skink’s length, width, and height requirements when choosing the appropriate size, as these factors significantly impact their overall comfort and well-being.

Durability and Materials

Both custom tanks and pre-made enclosures should be constructed using durable materials and be secure enough to prevent escapes. Avoid tanks made of glass thinner than 6mm, as they may pose a safety risk. For wooden enclosures, ensure they are made from non-toxic materials and properly sealed to withstand moisture and prevent rotting. PVC cages are also a popular and durable option for blue tongue skinks.

Blue Tongue Skink Tank Size

Different Skink Species and Tank Sizes

Northern Blue Tongue Skinks

Northern Blue Tongue Skinks are one of the largest blue tongue skink species, reaching lengths of up to 24 inches. Due to their size and active nature, they require larger tank sizes compared to other species. A minimum tank size of 60-100 gallons is recommended for adult Northern Blue Tongue Skinks to provide enough space for their physical activity and natural behaviors.

Centralian Blue Tongue Skinks

Centralian Blue Tongue Skinks are slightly smaller than Northern Blue Tongue Skinks, but they still require a spacious enclosure. A tank size of 40-75 gallons is generally suitable for adult Centralian Blue Tongue Skinks. Providing enough space allows them to establish territories, exercise, and engage in natural behaviors comfortably.

Indonesian Blue Tongue Skinks

Indonesian Blue Tongue Skinks are smaller in size compared to Northern and Centralian species, but their space requirements should not be underestimated. For adult Indonesian Blue Tongue Skinks, a tank size of 30-50 gallons is recommended to provide ample room for movement and exploration.

Merauke Blue Tongue Skinks

Merauke Blue Tongue Skinks are known for their vibrant colors and moderate size. Adult Merauke Blue Tongue Skinks require a tank size of 40-60 gallons to accommodate their active nature and provide enough space for their well-being.

Shingleback Skinks

Shingleback Skinks are a unique species with a stocky build and shorter overall length compared to other blue tongue skink species. A tank size of 40-75 gallons is typically sufficient for adult Shingleback Skinks to allow for their natural behaviors and provide enough space to move around comfortably.

Potential Risks of Inadequate Tank Size

Restricted Movement and Behavior

If the tank size for your blue tongue skink is inadequate, it can severely restrict their movement and ability to engage in natural behaviors. Skinks may become frustrated, stressed, or exhibit signs of boredom due to the limited space available. Restricted movement can also lead to poor muscle development and overall physical health.

Increased Stress and Anxiety

Insufficient space can contribute to increased stress and anxiety levels in blue tongue skinks. They may feel crowded or claustrophobic, leading to heightened stress responses. Elevated stress levels can have negative impacts on their mental and physical health, making it crucial to provide them with adequate space to alleviate these risks.

Aggression and Territory Conflicts

When multiple blue tongue skinks are housed together in a cramped environment, territorial conflicts may arise. Overcrowding can lead to increased aggression between skinks and even result in injuries. By providing sufficient space for each skink to establish their territory and reduce competition, you can minimize the risk of aggression and promote a more peaceful coexistence.

Respiratory and Health Issues

Inadequate tank sizes can also contribute to poor air circulation and increased humidity levels. These conditions create a favorable environment for the growth of bacteria, fungi, and parasites, increasing the risk of respiratory infections and other health issues in blue tongue skinks. Providing a spacious enclosure ensures better airflow and easier maintenance of optimal humidity levels.

Blue Tongue Skink Tank Size

Measuring Skink Size

Using Length as a Guide

Measuring the length of your blue tongue skink is a straightforward way to determine their size and estimate the appropriate tank size. Use a soft measuring tape or a length of string to measure your skink from the tip of its nose to the base of its tail. Compare the measured length with the recommended tank sizes mentioned earlier to make an informed decision.

Considering Body Girth

In addition to length, considering the body girth or thickness of your blue tongue skink is important when determining their space requirements. Skinks with larger body girth may require more space to comfortably turn around and move without feeling confined. Ensure that the tank width allows for easy maneuverability based on the skink’s body proportions.


Selecting the appropriate tank size for your blue tongue skink is crucial for their overall well-being and happiness. Consider the factors such as species, age, activity level, and the number of skinks when determining the minimum tank size. Provide sufficient space to allow for natural behaviors, exercise, and temperature regulation. Additionally, carefully consider tank setup, materials, and customization options to create a suitable and stimulating environment for your blue tongue skink. Remember that a well-sized and well-maintained tank promotes a healthy and thriving blue tongue skink.

Blue Tongue Skink Tank Size