When do Axolotls reach full size?
Axolotls typically reach full size between 6 and 12 months of age.
Young Axolotls
When Axolotls are young, they require a tank of at least 10 gallons with a temperature of 60–68°F (16–20°C). Feed them once a day with small, live or frozen worms. Their growth is rapid during this stage, and they need frequent water changes to maintain water quality.
At this age, they are highly sensitive to temperature fluctuations and should be handled minimally. A stable environment is crucial for their development.
- Tank size: 10 gallons
- Temperature: 60–68°F (16–20°C)
- Feeding frequency: Once a day
- Handling: Minimize to prevent stress
- Water changes: Every 2–3 days
Adolescent Axolotls
As they grow, Axolotls will require more space. By 6 months, they should be in a 20-gallon tank. Continue feeding them once a day with a mix of worms, pellets, and occasional fruit or vegetables.
During this stage, they start to develop their adult features and become more active. It's important to maintain a consistent temperature and water quality.
- Tank size: 20 gallons
- Feeding frequency: Once a day
- Diet: Worms, pellets, fruit, vegetables
- Temperature: 60–68°F (16–20°C)
- Water quality: Maintain pH between 6.5 and 7.5
Adult Axolotls
By 12 months, Axolotls have reached their full size of 9–12 inches. They now need a 30-gallon tank with a temperature of 60–68°F (16–20°C). Continue with the same feeding schedule and diet.
At this stage, they are fully grown and their growth rate slows down. They are more resilient to temperature changes and can be handled more frequently.
- Tank size: 30 gallons
- Feeding frequency: Once a day
- Diet: Worms, pellets, fruit, vegetables
- Temperature: 60–68°F (16–20°C)
- Handling: Once or twice a week
Senior Axolotls
Senior Axolotls may slow down in activity and require a quieter environment. A 30-gallon tank with a temperature of 60–68°F (16–20°C) is still suitable. Adjust their diet to include more soft foods like vegetables and less protein-rich items.
Monitoring their health becomes more important as they age. Look for signs of stress or illness and provide a comfortable space with hiding spots.
- Tank size: 30 gallons
- Feeding frequency: Once every 2–3 days
- Diet: Soft foods like vegetables, less protein
- Temperature: 60–68°F (16–20°C)
- Monitoring: Regularly check for signs of stress or illness
Keep reading about Axolotl: Axolotl care sheet
Related questions
How often should I feed my Axolotl?
Feed your Axolotl once a day when they are young and once every 2–3 days as they grow older.
What is the ideal temperature for an Axolotl tank?
The ideal temperature for an Axolotl tank is between 60–68°F (16–20°C).
How big should the tank be for an adult Axolotl?
An adult Axolotl should have a tank of at least 30 gallons.
Not veterinary advice. This guide covers husbandry — housing, feeding, cleaning and handling. If your axolotl is injured, off food unusually long, or behaving abnormally, contact a veterinarian.