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 Forum Index > Goldfish, Koi and Ponds  Reply to topic   Post new topic
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perculaclownfish
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Joined: 06 Oct 2005
Location: califonia

PostPosted: 2006.01.26(Thu)23:37    Post subject: koi Reply with quote

hey everybody, today I saw about 6 fully grown koi (about a foot long) all in
100 gallon fish tank.I don't know but it looked kind of squished.I was woderng if 6 koi can be kept in a tank that size? Smile Smile
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noobzie
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Joined: 25 Jan 2006
Location: CiTy Of AnGeLs

PostPosted: 2006.01.26(Thu)23:56    Post subject: Reply with quote

I say that kois arent too suitable for aquarium life. They grow too big and must be kept for pond life. To make it grow big faster, itll have to be eating meat, have plenty of oxygen, and live in a big space like a pond Cool
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Marcos Avila
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Joined: 05 Feb 2003
Location: Santo Andre (Brazil)

PostPosted: 2006.01.27(Fri)0:40    Post subject: Reply with quote

A foot long Koi (30 cm) is FAR from fully grown, it's actually quite young. They reach 3 times that size and live for 20, 30, 40 years or more.

As mentioned above, Koi are not for aquariums, they are for ponds.
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TJ
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Joined: 26 Sep 2005

PostPosted: 2006.01.27(Fri)16:34    Post subject: Reply with quote

I agree, not everything you see or here about aquariums are right. I have seen them bigger than 3 feet! They should have about 1000 gallons minimum for 2 koi, thats not even very good.
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Oscer
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Joined: 03 Nov 2005
Location: South Africa

PostPosted: 2006.01.28(Sat)14:36    Post subject: Reply with quote

I currently have koi that measure 23-32cm that are only 2 years old.

1000g a koi would be ideal, but I know of people that have kept 4-6 koi permanently in the same amount of water, but it's not ideal Confused
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Wanderer
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Joined: 22 May 2005
Location: Fairbanks Alaska

PostPosted: 2006.03.16(Thu)18:54    Post subject: Reply with quote

I just recently inherited the care of 3 tanks in my office. One is 55gal with 2 koi in it. one is 15" and has trouble turning around in the 55. The other is about 6". The fish's owner doesn't want to spend the money for a larger tank. And if you think that sounds bad, the 15" Koi was given to him a year ago in a 29 gal Shocked So they can definitly get bigger than 12", even in poor conditions.

I've started doing weekly 20% water changes, but am seriusly considering upping that to 50%/week. They're beautiful fish, I really hate seeing them so cramped. One of the LFS's has a used custom 210 for sale, it's about 4'x4'x20", and they only want $800 complete, so I've been trying to talk him into buying that at least.

Phil
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Oscer
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Joined: 03 Nov 2005
Location: South Africa

PostPosted: 2006.03.17(Fri)7:21    Post subject: Reply with quote

Quote:
One is 55gal with 2 koi in it. one is 15" and has trouble turning around in the 55.

Not good, not good at all.

Quote:
So they can definitely get bigger than 12", even in poor conditions.

Yes they can grow to be bigger than 2 foot, even in poor conditions.

Quote:
the 15" Koi was given to him a year ago in a 29 gal

Well I can tell you, he is ether extremely old or was not kept in the 29g (fish, including koi, only grow to the size of there tank (called stunning), but they do still keep growing but much slower) the former being quite impossible.

I hope you can convince the fish's owner.
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Wanderer
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Joined: 22 May 2005
Location: Fairbanks Alaska

PostPosted: 2006.03.17(Fri)14:19    Post subject: Reply with quote

He's about 8 years old, and did spend the last couple summers before he came here in a pond. Spent his winters in the 29 gal in a classroom. Summers are pretty brief here, so he only spent about 3 months a year in the pond at most. What he really needs now is a large indoor pond. Outdoor ponds here freeze 4 to 6 feet deep, so that's really not going to be practical.

Phil
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Oscer
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Joined: 03 Nov 2005
Location: South Africa

PostPosted: 2006.03.18(Sat)2:29    Post subject: Reply with quote

I agree, an indoor pond would be a much better home than any tank could be. But is this achievable in your situation?
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Wanderer
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Joined: 22 May 2005
Location: Fairbanks Alaska

PostPosted: 2006.03.18(Sat)14:14    Post subject: Reply with quote

Probably not. I'm afraid these fish will probably spend the rest of their lives in the 55 gal.

Phil
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