Goldfish
Bacterial Diseases in Koi & Goldfish
Bacterial diseases are among the most common and serious health challenges facing koi and goldfish keepers worldwide. Caused…
Moderate To To To Severe
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.
Goldfish
Bacterial diseases are among the most common and serious health challenges facing koi and goldfish keepers worldwide. Caused…
Moderate To To To Severe
Freshwater Tropical
Bacterial infection causing open ulcers, hemorrhagic patches, and red sores. The #1 cause of mortality in koi ponds…
Critical
Freshwater Tropical
Parasite (monogenean flatworm) disease of aquarium fish. Key signs: increased mucus, grey film on skin and fins, frayed…
Critical
Brackish Water
Oomycete disease of aquarium fish. Key signs: deep, red, necrotic skin ulcers (often on flanks); mycotic granulomas in…
Critical