How to treat fish rotten tail
Recently, fish tail rot has become one of the hot topics discussed among aquarium enthusiasts. Many fish keepers have sought help on social platforms and forums, asking how to effectively treat the disease. This article will combine the hot content of the entire Internet in the past 10 days to provide you with a detailed treatment guide for fish tail rot disease, and attach structured data for reference.
1. What is fish tail rot disease?

Fish tail rot is a common fish disease, which mainly manifests as fish tail fin rot, ulceration or breakage. The disease is usually caused by bacterial infection (such as Flavobacterium columnaris) or deterioration of water quality, and in severe cases may lead to fish death.
2. Common symptoms of fish tail rot disease
| Symptoms | Description |
|---|---|
| tail fin ulcer | White or red ulcers appear on the edge of the fish's tail fin |
| Difficulty swimming | Fish lose balance or move slowly when swimming |
| decreased appetite | Fish food intake is significantly reduced |
| dull body color | The color of the fish becomes lighter or spots appear |
3. Treatment of fish tail rot disease
Based on recent experiences shared by netizens and veterinary advice, here are several effective treatments:
| Treatment | Specific operations | Things to note |
|---|---|---|
| Improve water quality | Change water regularly to keep water clean | Avoid using chlorine-containing tap water |
| drug treatment | Use yellow powder (nitrofuracil) or oxytetracycline | Use according to the dosage instructions |
| salt bath therapy | Soak the sick fish in 3% salt water for 10 minutes | Once a day for 3 consecutive days |
| Isolate sick fish | Keep sick fish alone | Prevent infection to other fish |
4. Measures to prevent fish tail rot disease
Prevention is better than cure, here are some common prevention methods:
| Precautions | Specific methods |
|---|---|
| Change water regularly | Change 1/3 of the water volume every week |
| Avoid overfeeding | Control the amount of feeding and reduce leftover food |
| Enhance filtration system | Use high-efficiency filters to maintain water quality |
| New fish quarantine | Newly purchased fish should be isolated and observed first |
5. Cases of fish tail rot disease that have been hotly discussed among netizens recently
In the past 10 days, discussions about fish tail rot disease have appeared on multiple fish farming forums and social media. The following are some typical cases:
| Case | Netizen solutions | Effect feedback |
|---|---|---|
| goldfish unfinished | Use yellow powder + raise temperature to 28℃ | Symptoms relieved after 3 days |
| Guppies rotten tail | Salt bath + isolation treatment | Recovered after 1 week |
| Douyu sucks | Improve water quality + reduce feeding | Recover after 10 days |
6. Summary
Although fish tail rot disease is common, it can be effectively controlled through scientific treatment and preventive measures. The key is to recognize symptoms promptly, improve water quality, and choose appropriate treatment. I hope this article can help fish keeping enthusiasts better deal with this problem.
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