Disease library

Fish disease library

Every disease, parasite, and infection in our knowledge base. Tap the keywords to narrow the list — the page updates with a clean, shareable URL.

5 conditions

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Freshwater Tropical

Columnaris

A highly contagious bacterial infection (Flavobacterium columnare) presenting as white/grey patches, often on the mouth, fins, or gills.…

Severe

Koi & Pond

Koi Herpes Virus (KHV)

Notifiable viral disease devastating koi populations worldwide. Mortality 80–100%. No cure — only management and prevention.

Critical

Freshwater Tropical

Bacterial Kidney Disease (BKD)

Bacterium disease of aquarium fish. Key signs: chronic, progressive: granulomatous lesions in kidney (creamy white nodules), spleen, and…

Moderate

Goldfish

Spring Viremia of Carp (SVC)

Virus disease of aquarium fish. Key signs: lethargy, darkening, exophthalmia, distended abdomen (dropsy), petechial hemorrhages in skin and…

Critical

Freshwater Tropical

Infectious Salmon Anemia (ISA)

Virus disease of aquarium fish. Key signs: pale gills, ascites, dark liver, pinpoint hemorrhages in viscera and eye;…

Critical