flicking is known as flashing and is due to parasites. clean out the pond.
trichodina flourishes in water without supplemental aeration. trichodina attacks the
gills of the fish. treat with PP or formalin.
http://puregold.aquaria.net/pg/disease/disease.htm
furry spots are secondary fungal infection.
how much salt you got in your pond?
0.9lbs per 100 gallons of water.
Ingrid

"Cheryl" wrote:
Secondly, some of my larger Koi's seem to be doing some kind of somersaults.
They seem to flick over showing thier bellies.
Thirdly, My favourite Koi "Jaws" seems to have black furry spot on one of
his gills. what could this be? some kind of fungus maybe?


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