Compatibility
Croaking Gourami × Celestial Pearl Danio Compatibility
Compatibility calculated based on predation risk, behaviour profile, and water-parameter overlap.
Croaking Gourami and Celestial Pearl Danio are not recommended together in most community setups, but size difference should be monitored.
TemperatureB
pHA
HardnessA
FlowA
PredationC
BehaviourA
Not recommendedC
Envrionmental Factors
Temperature overlap
Croaking Gourami: 22.0–28.0 °C
Celestial Pearl Danio: 15.0–24.0 °C
Shared window: 22.0–24.0°C.
pH overlap
Croaking Gourami: 6.0–8.0
Celestial Pearl Danio: 7.0–8.0
Shared window: 7.0–8.0.
Hardness overlap
Croaking Gourami: Soft → Hard
Celestial Pearl Danio: Medium → Hard
Shared hardness bands: 2 (overlap ratio 100%).
Flow match
Croaking Gourami: Low
Celestial Pearl Danio: Low
Flow preferences do not conflict directly (no low-vs-high clash).
Behavioural Factors
Predation risk (size ratio)
Adult size ratio: 3.33x
Size gap is above 3.0x, which can increase predation pressure.
Behaviour risk
- - Both species are generally peaceful; behaviour conflict risk is low.
Parameter snapshot
| Parameter | Croaking Gourami | Celestial Pearl Danio |
|---|---|---|
| Adult size | 7.0 cm | 2.1 cm |
| Temperature | 22.0–28.0 °C | 15.0–24.0 °C |
| pH | 6.0–8.0 | 7.0–8.0 |
| Hardness | Soft → Hard | Medium → Hard |
| Flow | Low | Low |
| Locations | Borneo, Java +3 moreSumatra, Thailand, Vietnam | Myanmar |
Geographic overlap (supporting signal)
No recorded overlap in our dataset.
Best tank mates for Celestial Pearl Danio
Reference links to curated compatibility pair pages for this species.
Emerald Dwarf Rasbora
Danio erythromicron
Head and Tail Light Tetra
Holopristis ocellifera
Honey Gourami
Trichogaster chuna
Neon tetra
Paracheirodon innesi