1. According to the relevant public information: Gene: For tiger fish, the most likely cause of discoloration is gene. Therefore, if you want to see the ideal tiger fish, you must pay attention to choosing the tiger fish with excellent genes when purchasing tiger fish.
2. Environment: The change of environment may make the tiger fish dark or bright, which is unstable, so it is necessary to keep the environment in the cylinder stable.
3. Light: Tiger fish is a nocturnal tiger according to its habits. When there is no light, everyone will find that it may be bright, but when the light is turned on, it is black charcoal. Of course, tiger fish will also become bright when the light is bright. That is to say, the light and shade will also affect the color change of tiger fish.
4. water quality: fish culture requires water first. Good water quality and stable water quality can make the color of tiger fish more stable. If there is a sudden change in water quality, it will not only affect the light and shade of tiger fish, but also lead to pathological changes of tiger fish.
5. Frightened: Tiger fish will turn bright or dark when it is frightened. Moreover, Tiger fish has a strong personality and likes to be a bully, but he is timid. When he meets an opponent who is stronger than himself, his state will not be good, and the tiger fish will naturally turn dark. Therefore, try not to let the tiger fish be frightened and stimulated, otherwise it will change color.
6. polyculture: Many people like polyculture when raising fish, and if they are prone to fighting during polyculture, or if they can't eat food for a long time, it may affect the discoloration of tiger fish.
7. Illness: If the tiger fish is ill and in poor condition, it is most likely to darken, without a little luster, and it is likely to turn into black charcoal, so that its owner can't observe its existence. Therefore, when you raise fish, you must always observe and adjust the maintenance measures in time to keep the tiger fish healthy.