Can axolotl live in a tank together

Can You Keep Axolotls Together?

As an experienced fish keeper, I’ve encountered numerous questions about these creatures, but one that frequently arises is: Can you keep axolotls together in a home aquarium?

Yes, you can keep axolotls together in a home aquarium, but it requires careful consideration of specific factors. When housing multiple axolotls, it’s essential to ensure ample space, proper tank conditions, and compatible sizes and temperaments of the axolotls.

This article aims to provide clear, professional insights into this question, tailored for both seasoned hobbyists and newcomers alike.

So, let’s embark on this journey together to uncover the essentials of housing axolotls in a shared environment, focusing on their needs, behaviors, and the best practices for a harmonious aquatic life.

The Pros and Cons of Keeping Axolotls Together

Keeping axolotls together in a home aquarium can be a rewarding experience, but it also comes with its own set of challenges. Here’s a breakdown of the advantages and potential drawbacks.


1. Social Interaction

While axolotls are not social in the same way as many mammals, observing multiple axolotls interacting can be fascinating. They may exhibit interesting behaviors when housed together, adding dynamic elements to your aquarium.

2. Shared Environmental Conditions

Axolotls have specific habitat requirements. When you keep them together, you can efficiently maintain these conditions (like water temperature and pH) in one space, which can be more manageable than in separate tanks.

3. Aesthetically Pleasing Setup

Multiple axolotls in a well-maintained tank can create a visually appealing display. This can be especially attractive for aquarium enthusiasts who enjoy creating a vibrant, lively underwater environment.

Potential Drawbacks and Risks

1. Risk of Aggression

Axolotls can sometimes be aggressive towards each other, particularly if they are cramped for space, or if there’s competition for food. This can lead to stress, injury, or even the loss of limbs, although they can regenerate them.

2. Difficulties in Monitoring Health

With more axolotls in the same tank, it can be challenging to monitor each one for signs of stress or illness. Early detection of health issues is crucial for their well-being.

3. Size and Gender Compatibility

Larger axolotls may bully or eat smaller ones, and mixed-gender groups can lead to unwanted breeding. Ensuring compatible sizes and managing breeding are important considerations.

4. Increased Bioload

Multiple axolotls will produce more waste, which can quickly degrade water quality if not managed properly. This requires a more robust filtration system and frequent water testing and changes.

5. Dietary Management

Feeding multiple axolotls in the same tank can be tricky. It’s essential to ensure that all individuals are getting the right amount of food and that one isn’t dominating the food supply.

Factors to Consider Before Cohabiting Axolotls

When considering housing axolotls together, several key factors must be taken into account to ensure a healthy and safe environment for these unique amphibians. Here are the most critical aspects to consider:

1. Adequate Tank Size

The tank size is crucial for the well-being of cohabiting axolotls. A single axolotl requires a tank of at least 20 gallons, and for each additional axolotl, an extra 10 gallons should be added. This space is necessary to prevent territorial stress and to provide each axolotl with its own space.

2. Optimal Water Conditions

Axolotls are sensitive to water quality. The tank should have a stable, cool temperature range between 60-64°F (16-18°C), a pH level of around 7.4-7.6, and low ammonia, nitrite, and nitrate levels. Regular water changes and a robust filtration system are essential.

3. Proper Habitat Setup

The tank should mimic a natural axolotl habitat with hiding spots, plants (real or artificial), and a substrate suitable for their delicate limbs. Avoid gravel or small pebbles that can be accidentally ingested.

Setting Up the Perfect Axolotl Tank for Multiple Pets

Creating the ideal habitat for multiple axolotls is key to their health and well-being. Here’s a detailed guide to setting up a tank that caters to the needs of these fascinating amphibians:

1. Choosing the Right Tank

  • Size Matters: For multiple axolotls, start with a tank that is at least 40 gallons. This size provides ample space for two axolotls, with an additional 10-20 gallons for each extra axolotl. Remember, more space is always better.
  • Tank Shape: Prefer a tank with a larger surface area rather than a tall one. Axolotls are bottom-dwellers and appreciate more horizontal space to move around.

2. Filtration System

  • Robust Filtration: A powerful filter is essential to handle the bioload of multiple axolotls. Canister filters are ideal as they provide excellent mechanical, chemical, and biological filtration while keeping water flow gentle.
  • Gentle Water Flow: Axolotls do not like strong currents. Ensure the filter outflow is diffused to maintain a gentle water movement.
  • Regular Maintenance: Clean the filter regularly to ensure it functions efficiently. Never change all the filter media at once to maintain beneficial bacteria colonies.

3. Temperature Control

  • Consistent Cool Temperatures: Axolotls thrive in cooler water temperatures between 60-64°F (16-18°C). Use an aquarium thermometer to monitor the temperature.
  • Chillers and Fans: In warmer climates or seasons, consider using a chiller or fans to keep the water temperature within the ideal range.

4. Tank Layout and Decor

  • Substrate: Use a fine sand substrate or leave the bottom bare. Avoid gravel or small pebbles that axolotls could ingest.
  • Hiding Places: Provide plenty of hiding spots like caves, PVC pipes, and aquarium-safe decorations. This gives axolotls their own space and reduces stress.
  • Plants: Live or artificial plants not only add to the aesthetic but also provide additional hiding spots. Ensure any live plants can tolerate the cooler water temperatures.
  • Lighting: Axolotls do not require special lighting. If you choose to add lighting for aesthetic purposes, keep it dim as axolotls are sensitive to bright light.

5. Water Quality

  • Regular Testing: Regularly test the water for ammonia, nitrite, nitrate, and pH levels. Keeping these parameters in check is crucial for the health of your axolotls.
  • Water Changes: Perform weekly water changes, replacing about 20% of the water each time to help maintain water quality.
  • Water: Always use a water conditioner to remove chlorine and chloramines from tap water before adding it to the tank.






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