Aquarium habitat

Javanese Cownose Ray · Planet Zoo 2

Javanese Cownose Ray 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

FieldValue
ClassChondrichthyes
OrderMyliobatiformes
FamilyRhinopteridae
Conservation statusEndangered
Native rangeIndian Ocean, Pacific Ocean
BiomesEstuarine, Open Sea, Reef
Habitat typeAquarium habitat
Content packBase game
Adult size1 m (length)
Adult weight1 kg

Care requirements

RequirementVerified value
Habitat temperature24°C to 30°C
Group size (mixed)5–40
Group cap per sex40 / 40
SalinityBrackish to saltwater
Barrier strength grade2
Barrier height1m
Climb-proof barrierNo
Water barrier allowedNo
Terrain mixSand 50–100%, Soil 0–50%, Rock 0–20%
Periodic food cost$297.00

What this means for the build

  • Barrier strength grade 2 with a minimum height of 1m is the Zoopedia requirement for this species.
  • Keep the habitat between 24°C to 30°C; heaters and coolers are a running cost, not a one-off.
  • Terrain mix must stay inside the ranges in the table: welfare checks the painted surface, not the object list.
  • Group size runs 5–40 mixed; overstocking shows up first as social welfare warnings.

Lifecycle and breeding

RequirementVerified value
Age of sexual maturity5 years
Gestation / incubation12 months
Interbirth period12 months
Litter size1-2
Reproduction difficultyEasy
Age of sterilityDeath
Mating systemPromiscuous
Offspring dispersalNone

Companion species

FieldVerified value
Thriving withDolphinfish, Giant Grouper, Blackspotted Puffer, Ocellated Eagle Ray, Blacktip Reef Shark, Indo-Pacific Leopard Shark, Sand Tiger Shark, Sailfin Snapper
Neutral withRed Lionfish

Enrichment that counts

  • Food-based: Forage Tray
  • Habitat: Submarine Buoy, Water Hoop, Bubble Blower - Airstone, Lattice Ball

Next decision

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 Javanese Cownose Ray need?

Aquarium habitat — biomes: Estuarine, Open Sea, Reef. Barrier grade 2, minimum height 1m.

What temperature does the Javanese Cownose Ray habitat need?

24°C to 30°C

How many Javanese Cownose Ray can live together?

5–40 mixed, cap per sex 40/40.

How long is the Javanese Cownose Ray gestation?

12 months, with an interbirth period of 12 months.