What if your pond goldfish stomach is swollen and swimming on one side?

First, test the water quality parameters, such as pH, ammonia, nitrite, and nitrate levels. High levels of ammonia or nitrite can cause stress and affect the goldfish's health.

2. Change Part of the Water:

Perform a partial water change of about 30-50% to improve the water quality. Ensure that the new water has the same temperature as the existing water.

3. Isolate the Goldfish:

Gently remove the affected goldfish and place it in a quarantine tank or a large container with clean, declorinated water. This will help prevent the spread of any potential infection or parasites.

4. Observe Closely:

Monitor the goldfish's behavior, swimming pattern, and overall appearance. Is it lethargic? Does it have difficulty swimming? Take note of any changes.

5. Check for Specific Conditions:

- Dropsy: Dropsy causes a buildup of fluid in the body, leading to bloating. Symptoms include swollen abdomen, raised scales, and difficulty swimming.

- Constipation: If the goldfish is constipated, its stomach may become swollen. Observe for reduced or no defecation.

- Parasites: Intestinal parasites can cause a swollen belly. Signs may include white stringy feces or small worms visible in the feces.

- Swim Bladder Issue: A swim bladder disorder can affect the goldfish's balance and cause it to swim on one side.

6. Feed High-quality Food:

Provide a varied and high-quality diet. Avoid overfeeding, as it can contribute to digestive problems.

7. Epsom Salt Bath:

Epsom salt can help alleviate constipation and bloat. Create a bath by adding 1 tablespoon of Epsom salt per gallon of water in a separate container. Let the goldfish soak for about 15-20 minutes.

8. Consult a Fish Expert:

If the goldfish's condition does not improve or if you suspect a specific condition, seek advice from a veterinarian or experienced aquarium specialist.

Remember, early diagnosis and treatment are essential for the well-being of your pond goldfish.