bacterial gill rot or BRANCHIOMYCOSIS
SYMPTOMS: mottled gills, bluish or grayish irregular streaks
hot temps and bluish color are the tip-offs
http://users.megapathdsl.net/~solo/p...se/disease.htm
Ingrid

Glen Scott wrote:

Recently I have noticed that several of my Koi have been up at the
surface of the pond and the waterfall. A few have died with no
visible external problems. When they died, I looked at their gills and
noticed that there were areas of gray and looked necrotic.

Is this normal post-mortem, symptoms? Is this a gill disease problem?
Any suggestions would be greatly appreciated.



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