ニシキゴイ Nishikigoi
Koi encyclopedia (New Leaf)
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Location Price
River 2,000 Bells (AC, AF, AFe+, WW)
4,000 Bells (CF, NL)
Size Shadow size
17.85 in. (75cm) Large
Time of year Time of day
All year 4 pm to 9 am
Scientific name Cyprinus carpio haematopterus
Family Cyprinidae
Appearances AF, AF+, AC, AFe+, WW, CF, NL , PC
Rarity Scarce (★★★★)
Regional names Flag of Germany small Koi-Karpfen
Flag of Italy small Koi
Flag of France small Carpe koï
Flag of Spain Koi
"I caught a koi! Can't play koi with me!" —New Leaf

The koi is a rare fish found in rivers between 4pm to 9am all year round. It appears to be more common during Winter and in rainy weather. In all games, the koi is identical to the carp in all but coloration and abundance.

Donation to the museum

As with all fish caught in Animal Crossing series, the koi can be donated to the museum in each game by talking to Blathers, who will also give some information on it.

In Animal Crossing

Upon donation, Blathers the curator will say:

"Some fish bring a higher price at the market than koi, but koi are special in some indescribable way... For whatever the reason, catching a koi feels like... like catching a living fortune, somehow. Interesting, that. Well, aren't I incoherent! All rambling aside, rest easy knowing we will give this noble fish the utmost care."

In Wild World

Upon donation, Blathers the curator will say:

"Hoo my! This addition should improve attendance at the museum most dramatically! I suspect that with the addition of this marvelous koi to the collection, folks from all around <<town name>> will be flocking to see it, wot wot!"

In City Folk

Upon donation, Blathers the curator will say:

"...Great hoo! One of these should liven up the museum nicely, that's for certain! I say, I've heard a koi's worth is determined by how flashy its coloring is... Hoo now... How many Bells might this one be worth? ...Hoo, compose yourself, Blathers. This is for the museum!"

The koi can be found in the middle-left tank, with other fresh water river fish.

In New Leaf

In New Leaf, an information board in the aquarium will list information about this fish.

"Though typically pale in color, these aquarium fish also can be found with rather beautiful patterns. This is all thanks to very selective breeding of carp with genetic mutations, allowing for diversity. No two koi have the exact same pattern and are popularly known as "swimming jewels" as a result. They can be sold for a very high price, depending on their coloring and pattern. If properly cared for, they can live for over 100 years, making them a staple for outdoor garden ponds."

Capture quotes

"I caught a koi! Whoever colored it did a real good job!" —Animal Crossing
"I caught a koi! Don't be coy! (Ugh.)" —Wild World
"I caught a koi! Oh, boy!" —City Folk
"I caught a koi! Can't play koi with me!" —New Leaf
Japanese Quotes

にしきゴイを つりあげた! たっ たかそーっ!」 —Animal Forest

"I caught a Colored Carp! It looks so e--expensive!" (translation)

ニシキゴイを 釣り上げた!たっ たかそーっ!」 —New Leaf

"I caught a Colored Carp! It looks so e--expensive!" (translation)

Encyclopedia information

Wild World

Encyclopedia Information
Koi (Wild World) "Bred to be admired, koi are easy to raise. They can live up to 100 years. Wow!"
Size 2.4 feet
Habitat Rivers
Season All Year
Icon Koi (Wild World icon)

City Folk

Encyclopedia Information
Koi (City Folk)
"These carp are bred for viewing. Easy to raise, some can live up to 100 years."
Size About 32 in.
Habitat Rivers
Season All Year

New Leaf

Encyclopedia Information
Koi encyclopedia (New Leaf)
"I caught a koi! Can't play koi with me!"
Size About 32 in.
Habitat Rivers
Season All Year


Further information

Koi (鯉), more often known as Nishikigoi (meaning brocaded carp)
ImagesJune22-03 16 koi

A variety of ornamental koi.

is an ornamental fish of the common carp variety that is not known to occur naturally in the environment, at least not in its more colorfully distributed colorations. The colors of koi are from mutations in wild carp, and fish are hybridized and interbred to form the appearances we know today.

These fish are very long living and they can last over 200 years, 226 years being the oldest recorded age for a koi, about 100 years older than the longest living human at the oldest recorded age being 126 years.

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