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July 26, 2017

Koi Information Koi Diseases Saprolegnia Fungus

Saprolegnia Fungus

Saprolegnia Fungus

One of the most common fungal infections of Koi. The fungal spores will grow anywhere on the Koi, including the gills, initially germinating on dead tissue. Their threadlike hyphae release digestive juices which break down the tissue so the fungus can absorb it, as the fungus grows these juices start breaking down living tissue.

Fungus on the body appears as cotton wool like growths, it is hard to tell if a Koi has it in the gills, but if it hangs at the surface gulping for air it is likely.

Carp pox. A virus that produces solid waxy lumps on Koi. It will not kill Koi and is generally harmless, but can look unsightly. It is most often present in small Koi and in cold weather, clearing up disappearing when Koi grow and in the spring when water temperatures rise.

More Koi Diseases

Anchor Worm
Anchor Worm
Costia
Costia
Cotton Wool Disease
Cotton Wool Disease
Dropsy
Dropsy
Finrot and Ulcers
Finrot and Ulcers
Fish Lice (Argulus)
Fish Lice (Argulus)
Gill Maggots
Gill Maggots
Skin and Gill Flukes
Skin and Gill Flukes
Trichodina
Trichodina
White Spot (Ich)
White Spot (Ich)