How to treat rotten fish: analysis of popular topics on the Internet and treatment plans
Recently, fish tail rot disease has become one of the hot topics discussed by aquarium enthusiasts. This article will combine the popular discussions on the Internet in the past 10 days to provide you with a detailed treatment plan for fish tail rot disease, along with relevant data and analysis.
1. Symptoms and causes of fish tail rot disease

Fish tail rot is a common fish disease, which mainly manifests symptoms such as fish tail fin rot, congestion, and ulceration. The following are the main causes discussed by netizens in the past 10 days:
| Cause type | Proportion | Common symptoms |
|---|---|---|
| water quality issues | 45% | Ammonia nitrogen exceeds the standard and pH value is abnormal |
| bacterial infection | 30% | Flavobacterium columnaris, Aeromonas hydrophila |
| Traumatic infection | 15% | Caused by fights and collisions |
| other reasons | 10% | Malnutrition, parasites, etc. |
2. Treatment methods for fish tail rot disease
Based on the popular discussions on the Internet in the past 10 days, we have compiled the following treatment plans:
| Treatment | Frequency of use | efficient |
|---|---|---|
| Improve water quality | 60% | 85% |
| antibiotic treatment | 25% | 75% |
| salt bath therapy | 10% | 65% |
| Chinese medicine treatment | 5% | 60% |
1. Improve water quality
Water quality problems are the main cause of fish tail rot. It is recommended to regularly check water quality parameters to keep the pH value between 6.5-7.5 and the ammonia nitrogen concentration below 0.02mg/L. Change 1/3 of the water volume every week and use water stabilizer.
2. Antibiotic treatment
For tail rot caused by bacterial infection, the following antibiotics can be used:
| Drug name | Dosage | Course of treatment |
|---|---|---|
| Oxytetracycline | 10mg/L | 5-7 days |
| Nitrifuracillin | 3mg/L | 3-5 days |
| Sulfa drugs | 5mg/L | 7 days |
3. Salt bath therapy
Salt baths are a traditional treatment for mild infections. Soak the sick fish in 3% salt water for 10-15 minutes, 1-2 times a day for 3 consecutive days.
4. Traditional Chinese Medicine Treatment
Some aquarists recommend the use of traditional Chinese medicine for treatment, such as boiling cork and skullcap and soaking the diseased fish in water once a day for 30 minutes each time.
3. Preventive measures
Prevention is better than cure, the following are the most discussed preventive measures on the Internet:
| Precautions | Recommendation index |
|---|---|
| Change water regularly | ★★★★★ |
| Reasonable density breeding | ★★★★☆ |
| Nutritionally balanced | ★★★★☆ |
| Regular disinfection | ★★★☆☆ |
4. Frequently Asked Questions
Q: Is fish rotten tail contagious?
A: If it is a bacterial tail rot disease, it is contagious and requires isolation and treatment.
Q: Do I need to stop eating during treatment?
A: It is recommended to reduce the amount of feeding during treatment to avoid deterioration of water quality.
Q: Can unfinished business be healed on its own?
A: Mild symptoms may resolve on their own after improving water quality, but severe infections require medical treatment.
5. Summary
Fish tail rot is a common but curable disease. The key is to detect it in time and take correct treatment measures. By improving water quality, rational use of medication, and increased prevention, most cases can be successfully treated. I hope this article can help your fish!
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