Why is betta fish turning gray?

1. Age: As betta fish age, they can naturally start to lose their vibrant colors and become more gray. This is especially common in older male betta fish.

2. Stress: Stress can cause betta fish to turn gray. Some potential stressors include poor water quality, sudden changes in temperature, overcrowding, and illness.

3. Illness: Certain illnesses, such as bacterial infections and fungal infections, can cause betta fish to turn gray. If you think your betta fish may be ill, it's important to see a veterinarian as soon as possible.

4. Genetics: Some betta fish are simply born with a gray coloration. This is especially common in certain varieties of betta fish, such as the plakat betta.

If you're concerned about your betta fish turning gray, it's important to first check the water quality and make sure your fish is in a stress-free environment. If you think your fish may be ill, it's important to see a veterinarian as soon as possible.