Traffic fish do not eat, first observe various indicators of water quality, such as water temperature, oxygen content, pH, carbon dioxide content, etc. If the indicators are appropriate, it means that the water is basically fine. The common reason why the water body causes fish to refuse to eat is often that the water body is too old. If aquarists take excrement from the aquarium or fish pond every day and add a small amount of new water at the same time, after a period of time, the water body will easily become old and cause the fish to refuse to eat. It is basically normal to measure various parameters in the water.

The sickness of the traffic light fish is also the reason for the refusal to eat. First observe the body of the traffic light fish Whether the color, the mucus on the body surface is abnormal, whether the body surface is congested, whether the abdominal distension, whether the anus is bulging, red and swollen, whether there is a head hole, also observe whether the fish frequently wipes the body in the outer tank, observe whether the fish drags the stool, whether there is floating stool in the outer tank, and whether the fish defecate Whether the color is yellowish white and so on. If you find a fish disease, you should calmly analyze it, prescribe the right medicine, and pay attention to the treatment method.