Symptoms |
Causes |
Treatments & Links |
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A). The fish occasionally become shy & jerk their fins If Not ↓
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Trichondina If Not ↓
Incipient infections caused by skin parasites.
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Malachite Green -or- Forma-Green.
Treat with: Nitrofurazone -or- Nitrofuracin Green -or- Sulfa 4 TMP. -or- Koi Fix®
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B). The fins stay folded, the fish swims restlessly around, and often scrapes against objects If Not ↓ |
The fish has skin parasites
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Treat with: Praziquantel for marine fish -or- Parinox -or- De-Los -or- Copper Sulfate.
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C). Many of the fish hardly move. They rock and their fins stay folded. Many cichlids darken in color If Not ↓ |
Columnaris bacteria have attacked the skin
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Treat with: TMP Sulfa -or- Sulfa 4 TMP -or- Parinox.
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D). The fish swims lethargically and the flee reflex is absent. The eye reflex is disturbed or absent. They do not seek cover If Not ↓
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The fish are probably affected with blood flagellates (fish sleeping sickness) If Not ↓
The fish are affected by a severe condition of the internal organs
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Use: Methylene Blue at 5 drops per gallon for 5 days.
Use: Gentamycin Sulfate for 10 days. Treat once every 5 days, with a 50% water change before each treatment.
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E). The fish whirls and wobbles If Not ↓
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a). Whirling disease. Or,...
b). complete exhaustion in a tank with aggressive species
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a). Treat with Quinine Sulfate.
b). remove fish from the tank into a hospital tank and treat with Methylene Blue for 3-5 days. |
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F). Several fish stagger around If Not ↓ |
The fish are affected by Ichthyophonus fungus (ichthyophoniasis)
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No suitable treatment known. Remove dead fish immediately from tank to prevent spores from being ingested and affecting other fish. |
| G). One or more of the fish cannot remain motionless in the water. Discus lie flat on the bottom, or float head down (head standers) | The air bladder is affected. A temperature spike can be the cause. Discus fish are affected with an infection of the oval opening of the swim bladder. | Isolate the fish and lower the temperature. Observe for 2 days. If the condition persists, treat with Erythromycin |
