how many koi in a 1000 gallon pond? - The Planted Tank Forum
 
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post #1 of 10 (permalink) Old 08-06-2013, 03:20 PM Thread Starter
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how many koi in a 1000 gallon pond?

How many koi are recommended in a 1000 gallon pond? A friend of mine was asking me the other day and I said I will try to find out. He has right now 2 comets and 6 koi. And a pleco. How deep does the pond have to be to leave the pleco in the pond over winter?

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post #2 of 10 (permalink) Old 08-06-2013, 03:31 PM
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Ideally about 25 by my calculations.
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post #3 of 10 (permalink) Old 08-06-2013, 04:37 PM Thread Starter
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Okay, thank you very much! And do you know by a chance about the Pleco as well?

Regards from Nadine
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post #4 of 10 (permalink) Old 08-06-2013, 05:29 PM
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Do you mean would there be room for a pleco aswell?

It would depend on the type of pleco for how much room they require as they all grow to varying sizes.
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post #5 of 10 (permalink) Old 08-08-2013, 02:25 PM Thread Starter
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I am sure a regular Pleco will fit. The question was how deep the pond would have to be to leave it in there over the winter? Any idea?

Regards from Nadine
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post #6 of 10 (permalink) Old 08-09-2013, 12:25 AM
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Pleco:
Depends on how cold it gets. The 'Common Pleco' is actually any of several species, and there is not a good way of knowing which you have. Some are a lot alike.

http://www.planetcatfish.com/common/...?species_id=87

Certain Plecos survive in Florida in the wild.

Farther north, colder water they may not. I would plan on heating the pond or bringing the pleco in over the winter.

Koi stocking levels depends on the size of the fish and the equipment (including plants) in the system. Figure it at the hardest time of the year. Usually this is a choice of heat = less oxygen or cold = dormant bacteria. Whenever YOUR fish are stressed, that is the most critical time.
Monitor the pond conditions. If the parameters are getting out of hand and you cannot deal with them, your pond is overstocked.

Here are some numbers from a UK site, so the gallons are about 20% bigger than American gallons.


Quote:
recommend following gallons per Koi rates based on their size:

Small Koi (2" - 8"): 100 - 150 gallons
5cm - 20cm

Medium Koi(8" - 14"): 250 - 300 gallons
20cm - 35.5cm

Large Koi(14" - 24"): 400 - 500 gallons
35cm - 61cm

Jumbo Koi(24" - 36"): 750 - 900 gallons
61cm - 91cm
I think I would go with more fish per gallon in the Small (2" -8") grouping if all the fish were closer to the 2" end of the scale, but what would I do with half a dozen Koi as they grow? (and they can grow fast when they start out that small!)
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post #7 of 10 (permalink) Old 08-09-2013, 01:05 AM
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Diana gave a good basic out line.
basically your friends pond can hold 3 adult koi (with no goldfish) if it has a good filtration system as koi are messy.
it would probly be better if they stuck with goldfish which they could have a nice sized school of goldies in a thousand gallon pond.... and there are some very beautiful goldfish
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post #8 of 10 (permalink) Old 08-09-2013, 03:32 PM Thread Starter
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Ok, so he is for sure at his limit then and should add more filtration, right? The koi are still small, maybe 6 inches and of course they will grow.

Thanks guys

Regards from Nadine
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post #9 of 10 (permalink) Old 08-09-2013, 03:35 PM
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0. Don't keep koi, unless it's in an outdoor pond.


"Boulders-Upon-Meadow"


My Golden Rule of planted tanks: WWTAD-
"What would Takashi Amano do?"


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post #10 of 10 (permalink) Old 08-11-2013, 12:19 AM Thread Starter
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Of course it is an outdoor pond

Regards from Nadine
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