Can you identify this fish disease?

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Can you identify this fish disease?

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Went

Joined: 19 Mar 2006
Posts: 6968

Posted: Thu Feb 23, 12 12:26 pm Post subject: Can you identify this fish disease?
Taken this morning by a friend.

LynneA

Joined: 25 Oct 2006
Posts: 4893
Location: London N21

Posted: Thu Feb 23, 12 12:32 pm Post subject:
Looks like a fungal disease. Was it near a fish farm, or sewage treatment plant?

Went

Joined: 19 Mar 2006
Posts: 6968

Posted: Thu Feb 23, 12 12:37 pm Post subject:

LynneA wrote:

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

Joined: 28 Feb 2005
Posts: 6444

Posted: Thu Feb 23, 12 1:22 pm Post subject:
Looks like a water mould to me.

Bodger

Joined: 23 May 2006
Posts: 13524

Posted: Thu Feb 23, 12 2:26 pm Post subject:
Aquarium fish get whats known as white spot.

woody guthrie

Joined: 28 Jan 2009
Posts: 209
Location: Cork, Ireland

Posted: Thu Feb 23, 12 3:10 pm Post subject:

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.

https://www.tnfish.org/FishDiseasesParasites_TWRA/files/Saprolegnia.pdf

Bodger

Joined: 23 May 2006
Posts: 13524

Posted: Thu Feb 23, 12 3:50 pm Post subject:
I saw quite a few infected fish in the Derewnt from the bridge at Chatsworth House last September.

Went

Joined: 19 Mar 2006
Posts: 6968

Posted: Thu Feb 23, 12 4:11 pm Post subject:
Thanks - have passed on the information. I hope it doesn't devastate the river.

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