Aquarium habitat
Koi · Planet Zoo 2
Koi in Planet Zoo 2: habitat type, biomes, barrier grade, space, temperature, group limits and breeding values — the numbers you need before you place the first rock.
At a glance
| Field | Value |
|---|---|
| Class | Actinopterygii |
| Order | Cypriniformes |
| Family | Cyprinidae |
| Conservation status | Domesticated |
| Native range | Asia, Europe, Asia, Europe |
| Biomes | Lakes and Rivers, Lakes and Rivers |
| Habitat type | Aquarium habitat, Exhibit |
| Content pack | Base game |
| Adult size | — |
| Adult weight | — |
Care requirements
| Requirement | Verified value |
|---|---|
| Habitat temperature | 18°C to 25°C |
| Group size (mixed) | 1–5 |
| Salinity | Freshwater |
| Climb-proof barrier | No |
| Water barrier allowed | No |
| Periodic food cost | $180.00 |
What this means for the build
- Keep the habitat between 18°C to 25°C; heaters and coolers are a running cost, not a one-off.
- Group size runs 1–5 mixed; overstocking shows up first as social welfare warnings.
Lifecycle and breeding
| Requirement | Verified value |
|---|---|
| Age of sexual maturity | 3 years |
| Gestation / incubation | 0 months |
| Interbirth period | 11 months |
| Reproduction difficulty | Easy |
| Age of sterility | Death |
Companion species
| Field | Verified value |
|---|---|
| Neutral with | Common Rudd |
No compatible species reported
Enrichment that counts
- Food-based: Aquatic Feeder - Flakes, Conservation Topics, Freshwater Ecosystem Ambience, Cathemeral Behaviour, Omnivore Diet, Ray-finned Fish Evolution, Koi Fact Sheet, Swimming Animals, Underwater Life Talk, Domestication, Koi Name Plate, Lifecycle
Next decision
- Open the welfare debugger prefilled with Koi
- Sequence research, welfare and breeding for this species
- Check release readiness for this species
Source and version
Zoopedia record captured 2026-10-17 — official Zoopedia entry. Values change with patches; check the version before acting.
FAQ
FAQ
Common questions about this topic.
What habitat does the Koi need?
Aquarium habitat, Exhibit — biomes: Lakes and Rivers, Lakes and Rivers. Barrier grade —, minimum height —.
What temperature does the Koi habitat need?
18°C to 25°C
How many Koi can live together?
1–5 mixed, cap per sex —/—.
How long is the Koi gestation?
0 months, with an interbirth period of 11 months.