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Author Topic: WHY DO MY GOLDFISH KEEP DYING  (Read 918 times)
cathygo
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WHY DO MY GOLDFISH KEEP DYING
« on: February 16, 2012, 09:43:30 AM »

About five years ago I put in an outdoor 800lt pond with a pump.  I had a bio filter etc etc and my goldfish still died.  All I have now is the pump to circulate the water.  The longest lasting has been this last batch.  I bought four.  They survived for two years.  A couple of months ago two died.  Now today another one.  I have one left.  They always die of the same symptoms.  It looks like something is attacking them - they lose their scales and their fins look like they are being eaten.  It seems to always happen in the frog mating season - I am always fishing mating frogs out the pond from around November to February (live in South Africa).  If it is a disease why dont they all die at once?
Anyone got any ideas?
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cheri_alexander
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Re: WHY DO MY GOLDFISH KEEP DYING
« Reply #1 on: February 16, 2012, 12:31:15 PM »

Although it is quite possible that they are literally being eaten, torn, ragged fins with a white edge is usually fin rot. This, as well as scale loss, is usually due to poor water quality. I have no experience with ponds but you should probably be testing the water parameters. Also you should have a strong filter for your pond, not just a pump. If you could post pictures and parameters we could probably be more helpful.
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Skwishee
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Re: WHY DO MY GOLDFISH KEEP DYING
« Reply #2 on: February 17, 2012, 04:00:49 AM »

I agree with cheri, a pond needs a filter and also needs to be cycled.
Have you been cycling the pond before adding fish?

It also may be, that the mating frogs are causing issues. Could it be that during the mating season, frogs are latching on to the goldfish? Or it is possible the frogs are protecting their young if there is any frog spawn about?

I don't have a huge amount of experience, but having looked into keeping a pond myself with frogs and goldfish, these issues come to mind.
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