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What should I do if my goldfish is rotten?

2026-01-13 04:14:30 pet

What should I do if my goldfish is rotten?

Recently, many pet lovers have been discussing on social platforms how to prevent and treat goldfish tail rot disease. As one of the common diseases of ornamental fish, tail rot not only affects the appearance, but may also endanger the life of goldfish. This article will provide you with structured solutions based on popular discussions across the Internet in the past 10 days.

1. Recognition of symptoms of tail rot disease

What should I do if my goldfish is rotten?

According to feedback from netizens and suggestions from experts, tail rot disease mainly exhibits the following characteristics:

symptom stageSpecific performanceHazard level
Early stageThe edge of the tail fin is white or congested★☆☆☆☆
medium termThe tail fin is chipped or ulcerated★★★☆☆
Late stageThe ulcer spreads to the caudal peduncle★★★★★

2. Cause Analysis

Based on recent pet forum data, the main causes of tail rot disease are as follows:

Cause typeProportionTypical characteristics
Water quality deteriorates42%Ammonia nitrogen exceeds the standard/water has not been changed for a long time
bacterial infection35%Pathogenic bacteria such as Flavobacterium columnaris
physical damage18%Decoration scratches/fight injuries
other reasons5%Malnutrition/parasites, etc.

3. Treatment plan

According to the recent actual test recommendations of popular fish farming bloggers, effective treatment methods include:

TreatmentSpecific operationsEffective time
water quality managementChange 1/3 of the water every day and keep the water temperature at 26-28℃3-5 days
salt bath therapySoak in 3% salt water for 10 minutes/day5-7 days
drug treatmentUse yellow powder/oxytetracycline medicated bath7-10 days
Isolated breedingSeparate isolation to prevent infectionAll necessary

4. Preventive measures

Based on recent hot search topics, it is recommended to take the following preventive measures:

1.Regularly test water quality: Maintain pH value 7.0-7.5, ammonia nitrogen content <0.02mg/L

2.Scientific feeding: Feed 2-3 times a day, preferably finish within 5 minutes

3.Environmental optimization: Remove sharp decorations and maintain appropriate breeding density

4.New fish quarantine: New fish entering the tank need to be observed alone for 1 week

5. Common Misunderstandings

According to recent discussions among netizens, special attention should be paid to the following misconceptions:

Misunderstandingcorrect answer
The mess will heal on its ownTimely intervention and treatment are necessary
The more medicine you take, the betterUse according to the dosage instructions
Multiple medicines can be mixedCaution is required when mixing drugs
Only treat sick fishThe entire tank needs to be disinfected to prevent recurrence

6. Rehabilitation care

Referring to recent popular care plans, you should pay attention to the following during the recovery period:

1.Nutritional supplements: Feed special feed rich in vitamins

2.Stable environment: Avoid drastic temperature changes

3.Observation record: Daily photos taken to compare recovery status

4.gradual recovery: It is not suitable to keep with other fish within 2 weeks after recovery.

Through the above structured solutions, combined with the recent practical experience of fish farmers, most goldfish tail rot diseases can be effectively controlled. The key is to achieve early detection and treatment, and at the same time establish a scientific prevention system so that the fish can grow up healthily and happily.

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