What should you do for a Betta fish that is starting to drop its head?

It sounds like your Betta fish may be experiencing swim bladder disorder. This is a common issue in Betta fish and can be caused by various factors, including:

Possible Causes:

* Constipation: This is a common culprit, as Betta fish often overeat or eat food that's too large for them.

* Bacterial Infections: These can affect the swim bladder's ability to function properly.

* Parasites: Certain parasites can also cause swim bladder issues.

* Water Quality: Poor water quality can stress the fish and make them more susceptible to infections.

* Overfeeding: Feeding too much can lead to constipation and digestive problems.

* Age: Older fish are more prone to swim bladder issues.

What to Do:

1. Observe the fish: Take note of any other symptoms such as lethargy, loss of appetite, or bloating.

2. Check water parameters: Ensure the water temperature is optimal (78-82°F), pH is between 6.5-7.5, and ammonia, nitrite, and nitrate levels are all zero.

3. Fasting: Try fasting your Betta for 24-48 hours to help with potential constipation. Offer a small amount of high-quality Betta food after the fast.

4. Pea treatment: Feed your Betta a blanched pea (remove the outer shell and blanch for a few seconds). The pea can help to regulate digestion.

5. Water Changes: Do a large water change (50-75%) to improve water quality and remove any contaminants.

6. Medication: If the issue persists, consider using a broad-spectrum antibiotic or anti-parasitic medication. Consult a veterinarian or a knowledgeable fish store employee for the appropriate treatment.

Important Note: If your Betta's condition deteriorates, with loss of appetite, lethargy, or difficulty breathing, seek veterinary care immediately.

Prevention:

* Maintain good water quality through regular water changes.

* Feed a high-quality Betta food in small portions.

* Avoid overfeeding.

* Provide a varied diet including live or frozen foods.

Remember, early intervention is key to treating swim bladder disorder. If you're unsure, it's always best to consult a veterinarian or experienced fish keeper for guidance.