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WHY DO KOI JUMP OUT

General discussion about all things Koi

Postby joe barnes » Sat Aug 06, 2011 11:22 pm

Hi all ive had three of my koi jump out from my pond this year, two of which have been this week gutted.

Ive done all para tests all fine even gone and bought a microscope and armed myself with duncan griffiths book but ive carried out three scrapes now with no signs :?: :?:

Was also told today that by turning off my bd airation, that this is likely to be the problem especially thoughout the night, even though my waterfall is on 24/7 and three stones in my fluid k1 chamber ???

Can anybody help my quest :oops: :cry:
Last edited by welsh_kai_boy on Sat Aug 06, 2011 11:42 pm, edited 1 time in total.
Reason: Please don't shout!!
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Postby joe barnes » Sat Aug 06, 2011 11:23 pm

Hi all ive had three of my koi jump out from my pond this year, two of which have been this week gutted.

Ive done all para tests all fine even gone and bought a microscope and armed myself with duncan griffiths book but ive carried out three scrapes now with no signs

Was also told today that by turning off my bd airation, that this is likely to be the problem especially thoughout the night, even though my waterfall is on 24/7 and three stones in my fluid k1 chamber ???

Can anybody help my quest
Last edited by welsh_kai_boy on Sat Aug 06, 2011 11:52 pm, edited 1 time in total.
Reason: Stop shouting!!
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Postby bomber » Sat Aug 06, 2011 11:28 pm

hi just a quick question where abouts on the fish did you scrape, and how many fish did you scrape,, chris,,
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Postby joe barnes » Sat Aug 06, 2011 11:30 pm

Hi bomber

From the gills with scales direction and done three fish in total
Last edited by welsh_kai_boy on Sat Aug 06, 2011 11:53 pm, edited 1 time in total.
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Postby bomber » Sat Aug 06, 2011 11:35 pm

hi again , same question as other site ,where did you scrape the fish and how many did you srape ,,chris,,
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Postby bomber » Sat Aug 06, 2011 11:39 pm

hi did you go under the gill plates ,and is your test kit for the water out of date or what kit do you use ,,, chris,,
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Postby terrym » Sat Aug 06, 2011 11:40 pm

;) ;) ;) why did you turn the BD off!! :) :) :)

Fish will jump and frolick when water temps are up,they dont HAVE to have parasites.they can and do jump completely out of the water and if the gap between water and pond top is only 2" with no netting = splat.we had a fish out onto the concrete last year and our gap is at least 8",it came out onto the coping then onto the filter bay lids and slid to the concrete fortunately the wife was there and threw it back where it belonged.

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Postby shaun2010 » Sat Aug 06, 2011 11:46 pm

Joe, you say you have tested your water params, have you been doing any water changes?
the reason I ask is this, I have had a similar problem but luckily none made it over the wall! I had my fish scraped 3 times and always all clear, in the end I found it was a PH problem with my tap water being around 7.4 and my pond at 8 and with a recent algea bloom it was causing a ph swing too.
Not all fish were affected, just 3 of them didn't like it and were jumping. so check your Ph mate, I might be wrong but worth a check.

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Postby shaun2010 » Sun Aug 07, 2011 12:03 am

Hi Joe, I would check your tap PH and your pond PH, maybe there is a difference which would cause your koi to jump matey?!
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Postby JACKSPOT » Sun Aug 07, 2011 12:04 am

They tend not not to like ammonia poising as well ;)

3wks was too long ive been vindicated by the postion im in

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Postby JACKSPOT » Sun Aug 07, 2011 12:12 am

two weeks old mate no worrys there then ..i always keep 2 test kits in and check with both better safe than sorrry ...try more water changes on a regular basis then see how it alters your readings ..its usually something connected to water when they dont want to stop in it ;)

3wks was too long ive been vindicated by the postion im in

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Postby joe barnes » Sun Aug 07, 2011 12:13 am

HI MIKE

yeah i have the ones that have jumped were all new less than two weeks old
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Postby Schmike » Sun Aug 07, 2011 12:19 am

I added 2 large fish to my old pond back in March. The addition sent my Nitite up a tiny bit, but nothing much. BUT..... the new fish started leaping, and then my existing stock followed on. So Netted over the pond, and monitored. 3 weeks later, all settled down and I removed the net. Been fine ever since!
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Postby doitsu chag » Sun Aug 07, 2011 10:55 am

as much as i hate it id never remove my net 5 yrs on never lost a fish to jumping or a heron, funny that
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Postby welsh_kai_boy » Sun Aug 07, 2011 11:01 am

nets are unsightly and each pond location is different (heron presence, cats etc) but they do serve a purpose. the one day i left the net off due to replacing it i had a small koi jump out.
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Postby JACKSPOT » Sun Aug 07, 2011 11:03 am

Thing is i like many others hate to see a net on a pond .id never have one on ..ive also never lost a fish to jumping ..basically because fish dont jump to the extent they need to do to get out of a pond .if there enviroment is how it should be .

3wks was too long ive been vindicated by the postion im in

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Postby JACKSPOT » Sun Aug 07, 2011 11:03 am

the one day i left the net off due to replacing it i had a small koi jump out.

bad enviroment

3wks was too long ive been vindicated by the postion im in

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Postby bigmel » Sun Aug 07, 2011 11:37 am

i,ve had more than my share of fish jumped out in the last 3 years , on each occasion i tested the water and it was fine , one was a new addition so that could have been why , one of the others was a 10 year old orfe that had never done it before . I,ve lost 5 fish through jumping so i,m netting again as its not worth the risk .
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