Why Axolotl Gills Turning White
The axolotl, a peculiar-looking salamander native to Mexico, is known for its unique gills that adorn the sides of its head. These feathery appendages provide the amphibian with oxygen from water and act as an important part of its respiration system. Yet when these same gills turn white, it can be cause for alarm. This article will explore what causes axolotl gills to turn white and how this condition can be remedied.
Why Axolotl Gills Turning White
When axolotls’ gills turn a pale white color, it is usually an indication of poor water quality or other environmental stressors. High levels of ammonia and nitrite can lead to gill discoloration in axolotls, as well as increased susceptibility to bacterial and fungal infections. Other factors that can cause the gills to turn white include:
- Temperature Fluctuations: The ideal temperature range for axolotls is between 65-72 degrees Fahrenheit, so if the tank gets too hot or too cold, their gills may become stressed.
- Low Oxygen Levels: Gill discoloration can sometimes be caused by low oxygen levels in the tank. This could be due to overcrowding or not enough aeration.
- Dirty Water: If there is excessive debris in the water such as uneaten food or waste products, this could put additional strain on the gills and lead to whitening.
The Different Color Variations of Axolotl Gills and What They Mean
Axolotls are a species of salamander that has the unique ability to regenerate their limbs and organs. In addition to this, they also have an array of color variations in their gill structures that can tell you a lot about their health. Here is an overview of the different colors found in axolotl gills and what they mean.
White Gills
White is the most common color for axolotl gills. It simply means that your axolotl is healthy with no signs of infection or illness.
Red Gills
If your axolotl’s gills are red, it could be due to a few reasons: either its body temperature is too high (over 77 degrees F/25 degrees C), it has been exposed to poor water quality, or it may be infected by parasites. If you notice redness on the tips of your axolotl’s gill filaments, then it likely has parasites.
Gray Gills
Grayish-colored gills usually indicate that your pet’s water temperature is too low (below 65°F / 18°C). A decrease in oxygen levels can also cause gray gilling; improper air circulation can result in low oxygen levels and therefore gray-looking gills.
Black Gills
Black spots on your axolotl’s gill filaments indicate fungal infections such as cotton wool disease. Cotton wool disease is caused by poor water quality, including a lack of cleanliness or inadequate filtration system. To treat this condition, increase the frequency of water changes while ensuring proper aeration and good bacteria levels.
Tips for Treating Axolotl Gills
Check the Water Quality
The first step in treating axolotl gills is to check the water quality. Make sure that your tank is clean and free of any contaminants or diseases. Test your water regularly and make sure it has the correct pH, hardness, alkalinity, and other parameters.
Provide Adequate Filtration
Make sure you have adequate filtration in place to keep the water clean. This will help reduce stress on the axolotls’ gills caused by poor water quality.
Regularly Clean Your Tank
Clean your tank regularly to remove any debris or uneaten food which can cause bacteria growth and increase stress on their gills. Change 25-50% of the water each week depending on how many axolotls are in your tank.
Monitor Your Axolotl’s Health
- Keep an eye out for any signs of respiratory distress such as labored breathing, listlessness, lethargy, pale coloration etc.
- If you notice these symptoms then take them to a vet as soon as possible for treatment.
- If left untreated it could lead to serious health issues including death.
Provide Clean Air
Axolotls need access to oxygen rich air so provide good air circulation with either an airstone or powerhead filter. This will help ensure they receive enough oxygen while also keeping their environment free from harmful toxins.
Common Symptoms of Sick Axolotls
Axolotls are an aquatic species, and as such, they can be prone to a variety of illnesses. It is important for axolotl owners to be aware of the common signs and symptoms that may indicate their pet is sick.
Signs of Illness
- Lethargy: A healthy axolotl should be active and alert. If you notice your axolotl becoming less active or lethargic, it could be a sign that something is wrong.
- Gasping at the Surface: Gasping at the surface for air can indicate either stress or illness in an axolotl. Make sure that water temperature, pH levels, and other factors are in line with what your species needs.
- Discoloration: Axolotls typically come in shades of green or grey with some yellow spots on the side. However if your axolotl’s colors become pale or discolored, this could mean it is not feeling well.
- Clamped Fins: Healthy fins will spread out when your axie swims around its tank. Clamping fins close to its body (like a closed fan) can indicate fear or illness.
- White Fuzz/Mouth Rot: A white fuzz on their skin or near their mouth might indicate fungal growth due to poor water quality. This could lead to mouth rot, which looks like ulcers on their mouths.
- Heavy Breathing: An increase in breathing rate can sometimes signal illness. Pay attention if you see this change happening suddenly.
Final Thoughts
In conclusion, axolotl gills turning white can be caused by a variety of environmental and genetic factors. While changing water parameters such as pH or temperature may help reduce the risk of gill discoloration in some cases, it is important to remember that genetics also play an important role. Therefore, if your axolotl’s gills turn white, it is best to consult a veterinarian or experienced hobbyist for advice on how to properly care for your pet.

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.