−40−2002040 °C
✓Official 
Koi Habitat Requirements
Cyprinus sp. · Ray-finned fish · Base game
Habitat needs
Exported 2026-10-05Aquarium animals use tank space, not land area. The official data gives swimming space without a unit; compare values between species rather than reading them as square metres.
Group rules
✓Official- Preferred group
- 1–5
- Temperament
- Neutral
- Guest walkthrough
- Not allowed
This species has no separate bachelor or mixed-group limits in the official data.
Breeding and lifespan
✓Official- Breeding difficulty
- Easy
- Gestation / incubation
- 0.02 yr
- Interbirth period
- 0.98 yr
- Sexual maturity
- 3 yr
- Juvenile
- 3 yr
- Adult
- 17 yr
- Elderly
- 40yr
- Food cost per period
- 180
Life stages and breeding times are given in years in the official data.
Compatible animals
Full matrix →From the official Zoopedia "Cohabitation Options" lists. A pair counts if either animal lists the other.
-
Common Rudd~ NeutralListed as neutral in the official data, on both entries.
Enrichment items
✓OfficialEnrichment
None listed.
Food enrichment
- Aquatic Feeder - Flakes
Size, status and colour morphs
✓Official- IUCN status
- Domesticated
- Size
- Not in official data
- Weight
- Not in official data
- Colour morphs
- Tanchō, Karasu, Orenji Ogon, Asagi, Aka Matsuba, Bekkō
Colour morphs
-
Tanchō -
Karasu -
Orenji Ogon -
Asagi -
Aka Matsuba -
Bekkō
Official in-game portraits of the Koi colour morphs.
How much area for N Koi?
Area = minimum + (N − 1) × extra per animal. A planning estimate; the game decides the final check.
FAQ
What temperature does the Koi need in Planet Zoo 2?
The official data gives a comfortable range of 18–25 °C for the Koi. Keep the habitat inside that range and use the planner to compare it with other species.
How much space does the Koi need?
According to the official data, the minimum is 50 deep swimming space (+15 each extra).
How many Koi can live together?
The preferred group size in the official data is 1–5.
Where is the Koi kept?
It is kept in an aquarium (enclosure types: Habitat Aquarium, Exhibit), so there is no barrier or land area to plan. Biome: Lakes and Rivers.
Which animals can live with the Koi?
The official Zoopedia lists 1 neutral cohabitant (Common Rudd).
Data source: official Planet Zoo 2 Zoopedia export dated 2026-10-05. Text on this page is written by this site; the numbers are the official values.
More Lakes and Rivers animals
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Hydrocynus vittatus
- Temp °C
- 22–30
- Group
- 1–5
- Barrier
- —
Blunthead Cichlid
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- Temp °C
- 24–27
- Group
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- —
Boeseman's Rainbowfish
Melanotaenia boesemani
- Temp °C
- 25–28
- Group
- 1–4
- Barrier
- —
Brown Trout
Salmo trutta
- Temp °C
- 12–19
- Group
- 1–5
- Barrier
- —
Clown Loach
Chromobotia macracanthus
- Temp °C
- 25–30
- Group
- 1–5
- Barrier
- —
Common Rudd
Scardinius erythrophthalmus
- Temp °C
- 18–24
- Group
- 1–4
- Barrier
- —