Planet Zoo 2 Koi
Habitat size, temperature, group size and compatible animals for the Koi in Planet Zoo 2, from the official Zoopedia, checked 2026-10-14.
Koi requirements
| Continent | Asia, Europe |
|---|---|
| Biome | Lakes and Rivers |
| Enclosure | Aquarium, Exhibit |
| Minimum area | Deep water 50 m² |
| Extra area per additional animal | Deep water 15 m² |
| Shelter area per animal | Not listed by Zoopedia |
| Temperature | 18 to 25 °C |
| Group size | 1–5 |
| New in Planet Zoo 2 | Yes, not in the first Planet Zoo (all DLC included) |
| Content | Base Game |
| Conservation status | Domesticated |
At 50 m² of deep water, the Koi needs more deep water than 17% of the other 36 Planet Zoo 2 aquarium animals with a listed minimum.
Koi space by area type
The Zoopedia gives a minimum for the first animal and an extra amount for each additional animal, per area type. The last column adds them up for the largest listed group (5 animals).
| Area type | Minimum | Each additional animal | Total for a group of 5 |
|---|---|---|---|
| Deep water | 50 m² | 15 m² | 110 m² |
Koi species facts
| Class | Ray-finned fish (Actinopterygii) |
|---|---|
| Shoaling | Yes, the Zoopedia marks it as a shoaling species |
Setup checklist for a Koi enclosure
- Choose the enclosure: the Zoopedia lists the Koi as aquarium, exhibit.
- Give the first animal at least Deep water 50 m², plus Deep water 15 m² for each additional animal.
- Keep the temperature within 18 to 25 °C and theme the area as Lakes and Rivers.
- Plan a group of 1 to 5 animals.
Animals that can live with the Koi
Next to each species: the temperature range both animals accept, from their Zoopedia ranges (Koi: 18 to 25 °C).
Thriving with (0)
The Zoopedia lists no species in this group.
Neutral with (1)
- Common Rudd (shared 18–24 °C)
A pair counts as thriving if either animal's Zoopedia page lists it as thriving. A shared tank still has to suit every species in it.
Compare with
Put the Koi next to any other species, with the combined barrier for a shared habitat, in the animal comparison. See every pairing on what animals go together and all barrier specs on habitat requirements.
Animals from the same biome or continent: Common Rudd, Brown Trout, Clown Loach, Danube Crested Newt.
FAQ
How much space does a Koi need in Planet Zoo 2?
The official Zoopedia lists a minimum area of Deep water 50 m² for the Koi, plus Deep water 15 m² for each additional animal.
What temperature does a Koi need in Planet Zoo 2?
In Planet Zoo 2 the Koi needs a temperature of 18 to 25 °C and a group size of 1–5, according to the official Zoopedia.
What animals can live with a Koi in Planet Zoo 2?
The official Zoopedia lists 1 compatible species for the Koi. Neutral: Common Rudd.