KoiCrisis.com
Koi & Goldfish diseases, medications, parasites, symptoms, and water quality.

Sick Koi Symptoms

Choose the symptom location on the fish below, or jump straight to the category that matches what you’re seeing.

Koi symptom map Diseases of the Fins Diseases of the fin Diseases of the Fin Diseases of the Fin Diseases of the Belly Diseases of the Body Diseases of the Gill / Gill Area Diseases of the Mouth Diseases of the Eye
They're dying so fast! Hardly any symptoms! Diseases of the Eye Disorders of the body It's how they're behaving really! Diseases of the Fin Sores and infections It's a change in color, really. Diseases of the Belly Need Diagnostic Help?