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How do you stop Koi eating the Plants?

General discussion about all things Koi

Postby Peteg » Fri Jul 25, 2008 4:43 pm

I've been keeping Koi for a few years but whenever I put a lily in the pond the fish bite pieces out of the leaves and the pond ends up resembling a jigsaw puzzle while the roots, stems and buds are left alone. I haven't put any other plants in the pond for this reason, also I did lose a number of fish after putting a second lily in the pond.

Can anyone tell me if this is normal or if the lily could have killed the fish? and would adding a number of other different plants stop them eating the lily?



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Postby debs1964 » Fri Jul 25, 2008 4:43 pm

Hi Pete

I have seen these plant pots that float on top of the water that you can put a lilly in .
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Postby chaos » Fri Jul 25, 2008 4:43 pm

[quote]How do you stop Koi eating the Plants?[/quote]
Not the most helpfull response mate, but quite simply you don't put plants in with koi, no point, they'll just root them out. Only way i've seen to get plants in a koi pond is to hang them over the side
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Postby debs1964 » Fri Jul 25, 2008 5:16 pm

[quote]ORIGINAL: chaos

[quote]How do you stop Koi eating the Plants?[/quote]
Not the most helpfull response mate, but quite simply you don't put plants in with koi, no point, they'll just root them out. Only way i've seen to get plants in a koi pond is to hang them over the side
[/quote]

Its really odd chaos, I have had my pond now 2 years, the lily I have in there for the 2 years the koi never touch, but if I buy a new plant/lily... its gone in a couple of days!!

Maybe they think its a new toy to play with .

Last year I had a parrots feather plant in there looked lovely, it died in the winter , so I took it out, got a new one in the spring, my Grass carp eat it over night !!
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Postby fisherman » Fri Jul 25, 2008 5:16 pm

H Pete welcome to the forum

[font=calibri][size=3]You could always get a sticky plaster and put it over it’s mouth [:D][:D][:D][:D][;)][/size][/font]
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Postby Donald » Sat Jul 26, 2008 12:30 am

have a read here:

http://forum.koimag.co.uk/tm.asp?m=235200&mpage=1&key=plant%2Cbasket𹜓
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Postby dave g » Sat Jul 26, 2008 1:53 am

I do same as Chaos, hang them over the side in baskets with some stones to hold them in the basket, not had a problem and the koi love swimming through them on their quest for food. New pond is looking good Chaos.
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Postby ralphr » Sat Jul 26, 2008 2:10 am

I gave up with koi & plants in the same pond after seeing £00's worth of plants either eaten or dug out.

Fortunately I have 2 linked ponds, one of which the koi can't access, so in one of them I have plants with orfe, goldfish, shubunkins etc & they haven't been touched at all.
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Postby tommy2ponds » Sat Jul 26, 2008 2:10 am

Hi All the only plant I have in my big pond is an arum Lilly this is tied to my pergola post it just hangs in the water no pot or soil needed the koi just eat the small shooting roots the main root is to big for them it looks really good when it flowers [:)]

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Postby dave g » Sat Jul 26, 2008 2:26 am

Got an Arum in the front garden, it will take more than a few koi to them, my mrs and mum hate it and have been trying for years to kill it, even bleach has been used, but it just bounces back, good job coz I love it.
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Postby madmole » Sat Jul 26, 2008 5:13 am

As Koi dont have Teeth they cant eat your lilly (it would be snails I suspect), thousands of folks DO have lilly's in with their kois so they are fish safe

I'm one of those who thinks a pond should have plants or its just a sterile tank

When I made mine I made a 4" deep shelf with a pipe along the front edge under the liner so there is a 1/2" shallow separating the deeper shelf from the main pond. This keeps the fish off and means I have lots of plants and the fry have somewhere safe to hang out

As for the main pond. Any plant that needs a pot WILL get uprooted and the soil let loose in the pond, so now I only have floating plants in the pond. These need no soil, the Koi can push em around during spawning and not hurt themselves and you still get the shade and nitrate filtering off of them

I got all mine from [url=http://stores.ebay.co.uk/maltby-springs-koi-and-pond-centre]http://stores.ebay.co.uk/maltby-springs-koi-and-pond-centre[/url] who offer a great and cheap service, plants that work really well are Fairly Moss Azolla (looks great), Pennywort, water cress and water hyacinths.

The azolla provides about 3/4m square coverage per 2 litres and spreads, as its all separate peices you can just scoop the excess out, harvesting all the nitrate

All the advantages of plants but without the negatives
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Postby Nicko » Sat Jul 26, 2008 6:36 am

[quote]As Koi dont have Teeth they cant eat your lilly[/quote]

But they do moley...they have lips too,and the rip lilys to bits unless you feed the fish constantly[8|]

I have given up with them...but i have some arum's too and may put them in the koi pond like lee has done[:D]
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Postby madmole » Sat Jul 26, 2008 8:00 am

They have grinding plates set in the back of their throats with the teeth on them, They cant get a lilly leaf that far back.

Their lips though dextrous, are not strong enough to tear a healthy lilly leaf, if they could then hand feeding would result in blood. Something is weakening your lilly leaves before hand if the koi can slurp bits off

When fishing I see carp slurping bread and boilies off of the tops and from the sides of lillies all the time, they never rip them
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Postby Nicko » Sat Jul 26, 2008 8:33 am

Still disagree lol

they nibble bits off,seen em do m8,i must have had unhealthy lilys[8|]

I still think they will do it to healthy lilys tho[8D][8D][8D][:D]

2 of my Koi are 12 & 14 lbs and have big gobs...when handfeeding they shake there heads with venom,no blood,but can hurt[;)]

2 of my smaller fish are finger rippers too,when the ochibas get bigger that will be 4 lol[:D]
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Postby madmole » Sat Jul 26, 2008 8:50 am


You sure your koi dont look like one of these varieties?

ImageImage

[:D]
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Postby rick » Sat Jul 26, 2008 10:13 am

take them out [:D][:D][:D][:D][:D][:D].

I love lilys but learnt along time ago for me at least plants and go dont mix well

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Postby Nicko » Sat Jul 26, 2008 10:30 am

[quote]You sure your koi dont look like one of these varieties? [/quote]

LOL

I do have a koi thats mouth is like a shark...i call him sharky[:D]
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