Why does black goldfish turn into gold and how to keep its body color

Normal fading: It may be a normal physiological phenomenon for black goldfish to turn golden. When they hatch from fish eggs, their body color is cyan, and as they grow, their color will fade slowly. Comfortable environment: It is also possible that the living environment is comfortable, and when they feel safe, they will fade their protective color. Adequate light: It is also possible that the environment in which black goldfish live is too light, which leads to their body color fading.

1. Why does black goldfish turn golden

1. Normal fading: It may be normal for black goldfish to turn golden, because the bodies of newly hatched goldfish are all turquoise, and some are black. But as they grow, the color of the body will gradually fade and eventually turn into gold.

2. Comfortable environment: It is also possible that black goldfish turn golden because the living environment is more comfortable. When they feel comfortable and safe, they will fade their protective color. This also shows that the breeder's breeding method is more appropriate.

3. Plenty of light: Black goldfish turn golden. It is also possible that there is too much light in life. When the light is too strong or goldfish receive more light, their body color will fade.

2. How to keep the body color of black goldfish

1. Deepen the background: To keep the body color of black goldfish, the breeder had better choose a dark background plate for them. Because their body color will change with the change of environment, choosing a dark background color can also keep the body color.

2. Adequate oxygen: Breeders usually give them oxygen regularly. If goldfish are exposed to oxygen for a long time, their body color will become lighter. Breeders need to install an oxygen pump to keep sufficient dissolved oxygen in water.