The fish sinking to the bottom and not moving may be dying. However, there are many reasons why fish sink to the bottom, one of the more common ones is that the water is changed too quickly. It may be due to poor water quality that needs to be replaced in time, or it may be that the water temperature is too low and the water temperature needs to be raised. In addition, infected fish will also lie on the fish tank. At this time, it is necessary to find out the cause and treatment method. Common drugs such as fish yellow powder can be used for treatment.

Causes of fish sinking to the bottom and not moving:

1. Large fluctuations in water quality: frequent water changes occur in large quantities. Major changes in the environment inside and outside the aquarium: Fish are sensitive to changes in the surrounding environment, including changes in the internal environment of the aquarium, such as the addition or reduction of mixed fish, changes in equipment, changes in water flow, light intensity, and changes in the external environment of the aquarium. All can cause stress in the aquarium.

2. Disease: Sick fish often lie motionless on the bottom of the fish. This phenomenon is different from the above two phenomena. Careful observation should be made for any noticeable changes, appetite is usually the best explanation. Also often lying in the sink during the day and night, caused by mental problems.

3. Nervousness. The nervousness of fish is closely related to changes in the environment, but they are different. Tensions are closely related to, but distinct from, environmental changes. In a state of alert. This is the cause of mental stress. The sudden appearance of some abnormal sound and light signals in the surroundings frightens the fish, and the fish will lie down in the tank.

Expansion: Precautions for feeding fish

1. Feed selection: There are many types of fish and their needs for feed are also different, so they must be fed appropriately. feed so that the fish can eat it and ensure adequate nutrition.

2. Feeding time: The appetite of fish is often related to the water temperature. They will eat when the temperature is high. If it is too cold, the appetite will decrease. Therefore, the feeding time must be after 9 o'clock in the morning and before 4 o'clock in the afternoon. During this time, the fish's appetite will be relatively strong.

3. Treatment of leftover bait: In normal feeding, there are always some baits that fish cannot eat, which will become leftover bait. The leftover bait in the water will cause the water quality to deteriorate and affect the health of the fish. . Therefore, when changing the water, it is necessary to discharge residual bait, fish feces and other contaminants from the bottom of the water.