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I've seen them up to 3' and herd stories of them getting bigger. Koi, a variety of carp and closely related to goldfish, tend to grow (or not) to match the dimensions of its habitat. So carp in rice paddies can become quite large, whereas carp or koi in small tanks will remain small.
Wiki User
∙ 15y ago
Wiki User
∙ 14y agoI have seen many beautiful Koi over 36" but I believe they can get considerably bigger than that. Koi were developed from the wild, common (European) carp Cyprinius carpio by the Japanese in the 1800s. These wild carp can get to over 5 foot long and weigh over 80lbs.
Wiki User
∙ 13y agoUp to 36 inches(3ft) make sure that if you have more than one to have a nice big pond for it, like the ones you get at Walmart. 50-100 gallons are perfect.
Wiki User
∙ 13y agoKoi get anything from 2 foot to 4 foot long, they are huge chunky fish!
Wiki User
∙ 11y agoIt all depends if they have enough food intake and water quality matters a lot. Have plenty of space and it will take about 3-5 years to grow into full size depends on breed of koi
Wiki User
∙ 14y agoaround +24 inches
Wiki User
∙ 11y ago6 metres squered at least
Wiki User
∙ 13y ago90 lbs.
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How big is a 2 year old koi fish?
The size of the koi will depend on many factors such as what type of koi it is, how much and what you feed it and the size of the aquarium or pond you keep it in.
Tattoos that symbolise endurance?
Koi fish Koi fish
In which country does the koi fish live?
Koi fish can live in almost any country. Koi are thought to be originally from Japan. Many people have outdoor fish ponds in which Koi are the dominant fish.
What is a Japanese koi?
a fish, a koi carp
Why koi fish is a fish?
because it is fish
How do you tell a carp fish from a koi fish?
Koi are a type of specially bred carp.
Do koi fish eat other koi fish?
Nope they sometimes eat there eggs
Why does a koi fish have only one eye?
Koi fish usually have two eyes.
What is the Japanese of the koi fish?
The Japanese for Koi is nishikigoi.
Would a betta fish eat a koi fish?
The kio would be to big. But it would try to attack it. Then they will fight. Dont put bettas with other fish.
How do you tell the sex of a koi fish?
The sex of koi fish cannot be determined unless a)you dissect the koi or b)you witness the breeding.
Is koi fish better eaten live or dead?
Koi fish is suitable as a feeder fish for other larger fish. If a human wanted to eat a Koi fish, (which in general unlikely), it would be better eaten dead.
