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Went

Can you identify this fish disease?



Taken this morning by a friend.
LynneA

Looks like a fungal disease. Was it near a fish farm, or sewage treatment plant?
Went

Looks like a fungal disease. Was it near a fish farm, or sewage treatment plant?


Possibly as there are a few of each around plus illegal septic tank disposal if they can get away with it
pricey

Looks like a water mould to me.
Bodger

Aquarium fish get whats known as white spot.
woody guthrie

I have seen this on occasion in Rainbow Trout fisheries and on my own aquarium fish. Saprolegni is the name I believe and most waters contain some form of this mould/fungus. We treat the aquarium fish with methylene blue, don't know why it occurs but poor water quality and stressed fished probably makes them more vunerable to it.

http://www.tnfish.org/FishDiseasesParasites_TWRA/files/Saprolegnia.pdf
Bodger

I saw quite a few infected fish in the Derewnt from the bridge at Chatsworth House last September.
Went

Thanks - have passed on the information. I hope it doesn't devastate the river.
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