Planet Zoo 2 Common Rudd — habitat, biome, size & which animals it can live with
Common Rudd is one of the 130 Planet Zoo 2 launch species. It is housed in a Aquarium / Exhibit habitat, accepts the Lakes & Rivers biome, carries a no barrier requirement and is listed at no published size. It shares a biome and an enclosure type with 11 other species, so it can be mixed into a shared enclosure — 6 of those pairings are confirmed by Frontier's own text.
Every figure on this page comes from the official Planet Zoo 2 Zoopedia export rather than trailer footage: biome, enclosure type, barrier grade, size and the compatibility verdicts are all taken from the game's own data.
Size (M)—
Weight (M)—
Barrier—
EnclosureAquarium / Exhibit
BiomesLakes & Rivers
StatusLeast Concern

Where it lives in the wild
Asia · Europe
6verified enclosure-mates
8same biome + habitat
no published sizesize (male)
Nonebarrier grade
Common Rudd at a glance
| Field | Value |
|---|
| Name | Common Rudd |
| Group | Rudd |
| Class | Fish |
| Biomes | Lakes & Rivers |
| Continents | Asia · Europe |
| Enclosure | Aquarium / Exhibit |
| Barrier | — |
| Size (male) | no published size |
| Size (female) | — |
| Weight (male) | — |
| Weight (female) | — |
| Conservation | Least Concern |
| Edition | Base game |
| Revealed | 2026-09-08 |
Source: official Planet Zoo 2 Zoopedia export (130 species). Also on the searchable animal list.
Enclosure and barrier requirements
Common Rudd needs a Aquarium / Exhibit enclosure and accepts the Lakes & Rivers biome. The barrier requirement is none at all, and that is the number to check before building: a Grade 4 animal behind a Grade 1 wall is the most common way a first zoo stalls.
Which animals can live with the Common Rudd?
8 launch species share both a biome and an enclosure type with the Common Rudd, so they are the only candidates for a mixed habitat. Of those, 6 are confirmed group-living by Frontier's own text and 2 are unverified — both are listed rather than presented as equally safe.
| Species | Biome | Enclosure | Verdict | Evidence |
|---|
| Lakes & Rivers | AquariumExhibit | Likely OK | Blunthead Cichlid “Blunthead cichlids live in large social groups along rocky shorelines, where individuals maintain small feeding territories while…” |
| Lakes & Rivers | AquariumExhibit | Likely OK | Boeseman's Rainbowfish “Boeseman’s rainbowfish is a highly social schooling species that naturally lives in loose but cohesive groups. Social interaction…” |
| Lakes & Rivers | AquariumExhibit | Likely OK | Brown Trout “Brown trout are solitary and territorial fish, but they become more social during spawning events.” |
| Lakes & RiversWetlands | Exhibit | Likely OK | Danube Crested Newt “Danube crested newts do not have specific social requirements and mainly live solitarily. Provided there is enough space and food, they tolerate other individuals nearby.” |
| Lakes & Rivers | AquariumExhibit | Likely OK | Giant Gourami “Giant gouramis are moderately social: juveniles often shoal together, but adults become more territorial and may not live in close proximity to others.” |
| EstuarineLakes & RiversMangroveOpen SeaWetlands | Aquarium | Likely OK | West Indian Manatee “Manatees are semi-social. They are likely to gather in groups for feeding and mating, and will interact with others when they meet…” |
| Lakes & RiversWetlands | Exhibit | Unverified | Frontier has not stated a social structure for this species. |
| Lakes & Rivers | AquariumExhibit | Unverified | Frontier has not stated a social structure for this species. |
Rule: two animals can share an enclosure only when they share a biome and an enclosure type. Likely OK means Frontier's own Social & Reproduction text says both species live in groups; Unverified means the data does not say, so we do not guess. Pair-by-pair table: compatibility chart.
Same biome, but not compatible
3 of the species that accept the Lakes & Rivers biome cannot share an enclosure with the Common Rudd, because one side of the pair is officially solitary. These are the pairings people ask about most, so they are spelled out rather than left as an unexplained gap.
| Species | Biome | Enclosure | Why not |
|---|
| Lakes & Rivers | AquariumExhibit | African Tigerfish is solitary “African tigerfish are best described as asocial to loosely aggregative predators: juveniles show schooling behaviour, while adults are large…” |
| Lakes & Rivers | Exhibit | Axolotl is solitary “Axolotls are solitary in the wild and are happy living alone in captivity. However, unless different in size, they are content with other ax…” |
| Lakes & Rivers | Exhibit | Giant Slippery Frog is solitary “Giant slippery frogs are solitary and do not interact except to mate or compete over mates.” |
Close, but ruled out by enclosure type
3 species share at least one biome with the Common Rudd but use a different enclosure type — a land habitat against an aquarium or a flying aviary — so they cannot be mixed however well the biomes line up.
Common Hippopotamus, Eurasian Beaver, Gharial
Behaviour, size and weight
Common Rudd is classed as Social in Frontier's Social & Reproduction notes: “Rudd typically live in shoals (groups), especially when young, which provides protection from predators and improves foraging efficiency. Individuals coordinate movement, often feeding near…” On size the game lists no published size for the male. Size and weight together decide the minimum habitat footprint, so use the female figure when you are sizing a breeding pair rather than a display animal.
FAQ
Can Common Rudd live with other animals in Planet Zoo 2?
Yes. 8 launch species share both a biome and an enclosure type with Common Rudd, and 6 of those are confirmed as group-living by Frontier's own text. Keep the Lakes & Rivers biome and the Aquarium / Exhibit habitat constant and mixing them is a data question, not a guess.
What biome does Common Rudd need in Planet Zoo 2?
Common Rudd accepts 1 biome: Lakes & Rivers. Biome is not cosmetic — a species placed outside its listed biomes will not thrive, however good the enclosure looks.
What barrier grade does Common Rudd need?
Common Rudd needs no barrier grade. With no barrier grade in the data, this species is shown behind glass in an aquarium or exhibit rather than behind a paddock fence.
Is Common Rudd in the base game or Deluxe?
Common Rudd ships with the base game in Planet Zoo 2 — no extra purchase is needed to add it to a zoo.
How big is Common Rudd in Planet Zoo 2?
Common Rudd is listed at no published size, with an adult male weight of not published. The game does not publish a body length for this species.
Is Common Rudd social or solitary?
Frontier's own Social & Reproduction text classes Common Rudd as social. “Rudd typically live in shoals (groups), especially when young, which provides protection from predators and improves foraging efficiency. Individuals…” That classification is what decides most of the compatibility verdicts on this page.
Related
All 130 animals · Full compatibility chart for Common Rudd · Aquarium animals · Aviary birds · Deluxe edition animals · System requirements