Goldfish
Fungal Diseases in Koi & Goldfish
Fungal diseases — most commonly caused by water moulds of the genus Saprolegnia — are a frequent secondary…
Moderate
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
Fungal diseases — most commonly caused by water moulds of the genus Saprolegnia — are a frequent secondary…
Moderate
Goldfish
Bacterial diseases are among the most common and serious health challenges facing koi and goldfish keepers worldwide. Caused…
Moderate To To To Severe
Marine / Saltwater
Saltwater white-spot disease. A 2006 resistant strain renders traditional copper and formalin treatments ineffective — quinine sulfate is…
Severe
Freshwater Tropical
The most common freshwater fish disease. Tiny white spots resembling grains of salt cover the body and fins.
Moderate
Freshwater Tropical
Dinoflagellate parasite producing a fine, gold-dust coating across the body. More lethal than ich; gill infection causes rapid…
Severe