Why has my little betta been swimming upside down in the fish tank?

Hello, according to the symptoms you described, it may be that your betta fish is uncomfortable. The physical discomfort of fish is usually caused by water quality problems, environmental changes, diseases and so on. Because betta is a very sensitive fish, I suggest you take measures to improve its health as soon as possible.

Here are some possible reasons and solutions:

1. water quality problem: check the water quality to ensure that it is clean and meet the survival needs of betta fish. If the water quality is not good, it may cause the betta fish to feel unwell. It is recommended to change water regularly and clean the fish tank.

2. Environmental changes: If the living environment of Betta has changed greatly, it may cause it to feel uneasy and uncomfortable. It is suggested to minimize environmental changes and keep the environment in the fish tank stable.

3. Diseases: Some diseases may cause the betta fish to feel unwell. Common fish diseases include white spot disease and fish gill disease. If betta is sick, it needs timely treatment. It is suggested that you consult a professional or fishmonger to determine the disease of betta and get corresponding treatment suggestions.

In short, in order to ensure the health of betta fish, it is recommended that you regularly check the water quality, maintain a stable environment and pay close attention to the physical condition of betta fish. If abnormal symptoms are found in betta, measures should be taken in time for treatment.