pond fish - 4 years old with mould - please help.

[Ms C. Peach]

Hi,

Two of my Koya (at least 8" long) have recently developed a grey mould about 1" round on their backs.

Can anyone advise me on what to do? I have around 12 fish in total of different ages and size. They have all been together for around two years.

Chris.

[Vox Humana]

You might ask at rec.ponds

[dr-solo]

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[figaro]

I had a similar problem with some pond goldfish, around 8 inches long. I bought a medication from the pet store but I don't remember the name. It was a dip that you mix up with water and then dip the fish in it for one or two seconds and you do this two or three times in succession. I used an extra large fish net to hold the fish as I dipped him/her into a baking dish containing the medication mixture. Then release the fish back into the pond and the problem is solved. You may have to repeat this but I don't think I did. It was hard enough catching the critter in the first place. This all took place twenty years ago so I am unfamiliar with the newest medications but treating the entire pond will, hopefully, not be necessary. I had about

20 other fish in this pond and none of the others became infected. Good luck.