Fish this animal is relatively low, basically will not get depression, generally only mammals have the possibility of suffering from this disease. It should be noted that raising a few fish will not affect its life span, not a fish will not live long, the life span of fish often depends on water temperature, water quality and feeding situation.
1. The water quality is not good: The fish lying on the bottom of the tank may be due to the poor water quality, which will cause the fish to lose vitality, and then lie on the bottom. If you want to improve, you need to change the water immediately, adjust the PH and hardness of the water according to the habits of the fish, and adjust it to a suitable state for its survival, so that there is no problem.
2. Too low water temperature: In addition to the problem of water quality, too low water temperature will also reduce the activity of fish, and even cause them to stop eating. Usually, no matter what kind of fish you raise, you need a special heating rod to control the temperature, which can avoid too large temperature difference between day and night.
3. The fish is sick: If the fish is sick, it will also cause it to lie on the bottom of the tank. At this time, you must pay attention to observe whether there is any behavior of rubbing the tank or shaking the fins. Some words must carry on the treatment promptly, besides warms up changes the underwater salt, but also may carry on the medicine bath soaks.
