Fish Diseases
Understanding common fish diseases helps maintain a healthy aquarium. This guide covers symptoms, causes, treatments, and prevention strategies.
Ich (White Spot Disease)
Symptoms
- •White spots on body and fins
- •Flashing (rubbing against objects)
- •Clamped fins
- •Loss of appetite
- •Rapid breathing
- •Lethargy
Causes
Caused by Ichthyophthirius multifiliis parasite. Often triggered by stress or poor water quality.
Treatment
Medications containing malachite green or formalin, raising water temperature, and improving water quality.
Prevention
Quarantine new fish, maintaining good water quality, reducing stress, and proper filtration.
When to See a Vet
If fish shows white spots or unusual behavior - early treatment is important.
Fin Rot
Symptoms
- •Ragged or disintegrating fins
- •Redness at fin base
- •Fins appear eaten away
- •Lethargy
- •Loss of appetite
Causes
Bacterial infection, often secondary to poor water quality, injury, or stress.
Treatment
Antibiotics, improving water quality, and addressing underlying causes.
Prevention
Maintaining excellent water quality, avoiding overcrowding, and preventing injuries.
When to See a Vet
If fins show signs of deterioration or redness.
Dropsy
Symptoms
- •Swollen abdomen
- •Scales sticking out (pinecone appearance)
- •Loss of appetite
- •Lethargy
- •Difficulty swimming
Causes
Fluid accumulation, often due to kidney failure, bacterial infection, or organ failure.
Treatment
Antibiotics, Epsom salt baths, and supportive care. Prognosis is often poor.
Prevention
Maintaining excellent water quality, proper diet, and reducing stress.
When to See a Vet
Immediately if fish shows swelling or pinecone appearance - this is serious.