Understanding the Causes of Axolotl Curled Tails: When to Worry
The axolotl is an aquatic creature that has become a popular pet among aquarium and terrarium enthusiasts. With its unique features, such as its curled tail, the axolotl can be a surprisingly interesting addition to any tank. In this article, we will explore the causes of the axolotl’s curled tail phenomenon and how it affects their behavior in captivity. We will also discuss why it is important to monitor the health of your axolotl if they have a curled tail.
What Causes an Axolotl’s Curled Tail?
The cause of a curled tail in axolotls is not fully understood. While some experts believe it may be due to genetic abnormalities, others suggest that environmental factors can play a role as well. In particular, poor water quality and inadequate nutrition are thought to increase the likelihood of developing a curled tail.
How Does a Curled Tail Affect Behavior in Captivity?
A curled tail can affect an axolotl’s behavior in captivity. It may be more difficult for them to move around their tank or reach food if their tails are curved too tightly. Additionally, they may be less active than normal due to the discomfort caused by their curled tails.
Why Is It Important To Monitor Health Of An Axolotl With A Curled Tail?
It is important to monitor the health of your axolotl if they have a curled tail because it could indicate underlying health problems. This includes issues such as nutritional deficiencies or infections that need to be addressed promptly. Additionally, it is important to keep a close eye on any changes in your axolotl’s behavior or appetite so you can act quickly if needed.
- Nutritional Deficiencies: A lack of essential vitamins and minerals can lead to weakened bones and muscles which affects how an axolotl moves, including its curled tail.
- Infections: Poor water quality and exposure to parasites or bacteria can lead to infections that could cause further deformities like a curled tail.
- Behavioral Changes: A sudden change in behavior such as loss of appetite, increased lethargy or refusal to eat can be signs of serious health issues that need to be addressed.
When to Worry?
If your axolotl’s curled tail persists for more than a few days, it is important to take it to a vet who can assess the issue and take any necessary measures to ensure your axolotl’s health.
Signs of Stress in Axolotls
Stress is a normal part of life for all animals, including axolotls. However, when stress levels become too high, it can lead to serious health problems and even death. As a pet owner, it’s important to recognize the signs of stress that your axolotl may be exhibiting.
Behavioral Signs
- Decreased Appetite: If you notice that your axolotl isn’t eating as much as usual or appears to have lost its appetite entirely, this could be an indication of stress.
- Inactivity: If your normally active axolotl is spending more time at the bottom of the tank and not exploring like it usually does, this could indicate that the animal is feeling stressed.
- Aggression: In some cases, stressed out axolotls may exhibit aggressive behaviors such as biting or chasing other fish in the tank.
- “Burrowing” Behavior: If you notice your axolotl “burrowing” into substrate (such as gravel) or hiding in other places around the tank, this is often an indication that the animal feels threatened and is trying to find a safe place.
Physical Signs
- Lethargy: A lethargic axolotl may appear weak and slow-moving compared to its usual self. This could indicate stress due to environmental factors such as overcrowding or poor water conditions.
- Open Mouth Breathing: When stressed out, some axolotls will breathe with their mouths open instead of using their gills. This behavior should not be confused with “gasping,” which is a sign of oxygen deprivation.
- Erratic Swimming Patterns: A distressed axolotl may swim erratically without any apparent purpose. It will also tend to stay close to objects and surfaces instead of swimming freely throughout the tank.
Signs of Illness to Look Out For in Your Axolotl
Physical Symptoms
The most obvious sign that your axolotl is unwell is a change in physical appearance. Look out for the following symptoms:
- Lethargy: Your axolotl may appear sluggish and lethargic, not moving around and swimming as they normally do.
- Weight loss: Your axolotl should maintain a healthy weight; if they are losing weight rapidly, it could be a sign of illness.
- Discoloration or Fading Color: If their color starts to fade or changes, this could be an indication of stress or something more serious.
Behavioral Signs
In addition to physical signs, there are some behavioral signs that can indicate an underlying health issue with your axolotl. Pay attention to the following behaviors:
- Gasping at the Surface: Axolotls usually stay on the bottom of their tank but if you notice them gasping at the surface frequently, it could mean they are having difficulty breathing.
- Not Eating: A lack of appetite can point towards ill health. If your axolotl has not eaten in several days, consult with a vet.
- Hiding: If your axolotl spends much of its time hiding away from view or curled up into itself then this may also be an indication that something is wrong.
Final Thoughts
In conclusion, the Axolotl Curled Tail is a unique and fascinating mutation that has been around for hundreds of years. It is an example of how nature can produce such remarkable creatures even in circumstances where one might expect uniformity. While it may not be as common as other axolotl morphs, its rarity and beauty make it an interesting addition to any tank or aquarium.

Alexander is the owner of AnimalQnA. He is a pet lover. He has created this blog to share some of his knowledge on different kinds of pets.