How Big Of A Tank Does A Bearded Dragon Need


If you're considering getting a bearded dragon as a pet, one of the most important factors to consider is the size of the tank they will need. Providing a suitable habitat for your bearded dragon is crucial for their overall well-being and happiness. In this article, we will explore how big of a tank a bearded dragon needs, taking into account their size and specific requirements. By the end, you will have a clear understanding of how to create an ideal living space for your bearded dragon.

The Importance of Tank Size

The size of the tank plays a vital role in the physical and mental well-being of your bearded dragon. Just like any other animal, they need enough space to move, explore, and feel comfortable. A cramped or undersized tank can lead to stress, poor health, and even behavioral issues. Providing an adequately sized tank is not only necessary for their physical health but also contributes to their overall quality of life.

Factors to Consider

When determining the appropriate tank size for your bearded dragon, it is essential to consider various factors. These factors include the bearded dragon's age, size, activity levels, and natural behavior. By taking these factors into account, you can ensure that the tank provides enough space and stimulation for your pet.

Age and Size

Bearded dragons grow rapidly during their first year of life, and their tank requirements change accordingly. A young bearded dragon will need a smaller tank to prevent them from feeling overwhelmed and to make it easier for them to find their food. As they grow, their tank size should increase to accommodate their expanding size and activity levels.

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Activity Levels

Bearded dragons are known for their active nature. They love to climb, explore, and bask in the sun. Therefore, it is crucial to provide them with a tank that allows for these activities. A larger tank with various climbing structures, hiding spots, and basking areas will promote their natural behavior and keep them physically and mentally stimulated.

Ideal Tank Size Guidelines

While the specific tank size may vary depending on the factors mentioned above, here are some general guidelines to help you determine the ideal tank size for your bearded dragon:

1. Baby Bearded Dragons (0-4 months): For these young dragons, a 20-gallon tank is usually suitable. This size provides enough space for them to move around comfortably without feeling overwhelmed.

2. Juvenile Bearded Dragons (4-12 months): As your bearded dragon grows, their tank size should increase accordingly. A 40-gallon tank is recommended for juvenile dragons. This larger space allows them to stretch their legs and engage in their active behavior.

3. Adult Bearded Dragons (12 months and older): Once your bearded dragon reaches adulthood, they will need an even larger tank to accommodate their size and activity levels. A 75-gallon tank or larger is best suited for adult bearded dragons.

4. Multiple Bearded Dragons: If you have multiple bearded dragons, you will need to provide them with extra space. Each dragon should have their own tank to prevent territorial disputes and stress. A general rule of thumb is to consider adding an additional 20 gallons for each additional dragon.

Tank Setup and Enrichment

Providing an adequate tank size is just the first step in creating a suitable habitat for your bearded dragon. The tank setup and enrichment also play a crucial role in their well-being. Here are some essential elements to consider:

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Choosing the right substrate is important for your bearded dragon's health and hygiene. Opt for substrates that are safe, easy to clean, and non-toxic. Some popular options include reptile carpet, ceramic tiles, or paper towels. Avoid loose substrates like sand, as they can pose a risk of impaction if ingested.

Lighting and Heating

Bearded dragons require specific lighting and heating conditions to thrive. They need access to both UVB light and a heat source. UVB light helps them produce vitamin D3, which is crucial for proper calcium absorption. A basking spot with a temperature around 100°F (37°C) and a cooler side around 80°F (27°C) should be provided.

Decor and Hiding Spots

Creating a stimulating environment with various decorations and hiding spots is essential for your bearded dragon's mental and physical health. Incorporate branches, rocks, and artificial plants to encourage climbing and exploration. Providing multiple hiding spots allows your dragon to feel secure and reduces stress levels.

Water and Food Bowls

Ensure that your bearded dragon has access to clean water at all times. Use a shallow dish or a water bowl designed specifically for reptiles. Additionally, provide a separate food bowl to keep their food clean and easily accessible.


In conclusion, the tank size for a bearded dragon is an important factor that greatly impacts their overall well-being. Providing an adequately sized tank allows them to move, explore, and engage in their natural behaviors. By considering factors such as age, size, and activity levels, you can determine the ideal tank size for your bearded dragon. Additionally, ensuring a proper tank setup with the right substrate, lighting, heating, and enrichment will further contribute to their health and happiness. Remember, a happy and healthy bearded dragon is a result of a suitable and comfortable habitat.

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How big of a tank does a bearded dragon need?

Bearded dragons require a minimum tank size of 40 gallons for juveniles and 75 gallons for adults.

1. What are the dimensions of a 40-gallon tank for a bearded dragon?
- A 40-gallon tank for a bearded dragon typically measures around 36 inches in length, 18 inches in width, and 18 inches in height.

2. Can I keep multiple bearded dragons in the same tank?
- It is not recommended to keep multiple bearded dragons in the same tank as they can become territorial and may exhibit aggressive behavior towards each other.

3. Do bearded dragons need a specific type of tank?
- Bearded dragons need a tank that provides both horizontal and vertical space for climbing, basking, and exploring. A glass terrarium with a secure lid is commonly used.

4. Should I use a heat lamp or heat mat in the tank?
- Bearded dragons require a heat lamp placed at one end of the tank to create a temperature gradient. Heat mats are not ideal for providing the necessary heat.

5. Is it necessary to include accessories such as branches and rocks in the tank?
- Yes, bearded dragons need accessories such as branches, rocks, and hides to simulate their natural environment. These items also offer opportunities for exercise and mental stimulation.

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