Compatibility
Celestial Pearl Danio × Kuhli Loach Compatibility
Compatibility calculated based on predation risk, behaviour profile, and water-parameter overlap.


Celestial Pearl Danio and Kuhli Loach are not recommended together in most community setups, but size difference should be monitored and water-parameter overlap should be checked carefully.
TemperatureC
pHC
HardnessB
FlowA
PredationC
BehaviourA
Not recommendedC
Envrionmental Factors
Temperature overlap
Celestial Pearl Danio: 15.0–24.0 °C
Kuhli Loach: 24.0–28.0 °C
Shared window: 24.0–24.0°C.
pH overlap
Celestial Pearl Danio: 7.0–8.0
Kuhli Loach: 6.0–7.0
Shared window: 7.0–7.0.
Hardness overlap
Celestial Pearl Danio: Medium → Hard
Kuhli Loach: Very soft → Medium
Shared hardness bands: 1 (overlap ratio 50%).
Flow match
Celestial Pearl Danio: Low
Kuhli Loach: Low
Flow preferences do not conflict directly (no low-vs-high clash).
Behavioural Factors
Predation risk (size ratio)
Adult size ratio: 4.76x
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 | Celestial Pearl Danio | Kuhli Loach |
|---|---|---|
| Adult size | 2.1 cm | 10.0 cm |
| Temperature | 15.0–24.0 °C | 24.0–28.0 °C |
| pH | 7.0–8.0 | 6.0–7.0 |
| Hardness | Medium → Hard | Very soft → Medium |
| Flow | Low | Low |
| Locations | Myanmar | Java, Indonesia |
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
Best tank mates for Kuhli Loach
Reference links to curated compatibility pair pages for this species.

Bristlenose Catfish
Ancistrus sp.

Corydoras
Corydoras spp.

Discus
Symphysodon spp.

Honey Gourami
Trichogaster chuna