What does it mean when a goldfish not swim but is still breathing and has over sized belly?

When a goldfish is not swimming but still breathing and has an oversized belly, it could be a sign of several health issues. Here are a few possible causes:

1. Dropsy: Dropsy, also known as edema or bloat, is a common condition in goldfish caused by an accumulation of fluids in the body. It can cause the fish's belly to swell and become distended, making it difficult for them to swim. Dropsy can be caused by various factors, including bacterial infections, kidney disease, or poor water quality.

2. Constipation: Constipation occurs when a goldfish has difficulty passing stool. This can lead to a buildup of waste in the digestive tract, causing the fish's belly to swell. Constipation can be caused by a variety of factors, such as a lack of fiber in the diet or a blockage in the digestive tract.

3. Swim Bladder Disorder (SBD): Swim bladder disorder affects the goldfish's ability to maintain its buoyancy. This can cause the fish to float upside down, tilt to one side, or sink to the bottom of the tank. SBD can be caused by various factors, including genetics, bacterial infections, or injury.

4. Liver or Kidney Disease: Liver and kidney disease can cause fluid to accumulate in the fish's body, leading to a swollen belly. Liver disease can be caused by various factors, including poor diet, nutritional deficiencies, or parasitic infections. Kidney disease can be caused by bacterial infections or toxins in the water.

If your goldfish is not swimming but still breathing and has an oversized belly, it's important to take immediate action. Observe the fish closely to identify any other symptoms, such as lethargy, loss of appetite, or changes in coloration. Quarantine the affected fish to prevent the spread of any potential infection.

Provide your goldfish with clean and well-oxygenated water. You can also offer the fish a high-quality diet, including foods rich in fiber to aid in digestion. Avoid overfeeding, as this can contribute to constipation and other digestive issues.

If the fish's condition doesn't improve or worsens, it's best to consult with a veterinarian specializing in aquatic animals. They can diagnose the exact cause of the problem and recommend appropriate treatment. Early diagnosis and treatment are crucial for the goldfish's survival and recovery.