Compatibility
Celestial Pearl Danio × Black Neon Tetra Compatibility
Compatibility calculated based on predation risk, behaviour profile, and water-parameter overlap.
Celestial Pearl Danio and Black Neon Tetra are not recommended together in most community setups, but water-parameter overlap should be checked carefully.
TemperatureC
pHC
HardnessB
FlowA
PredationA
BehaviourA
Not recommendedC
Envrionmental Factors
Temperature overlap
Celestial Pearl Danio: 15.0–24.0 °C
Black Neon Tetra: 23.0–27.0 °C
Shared window: 23.0–24.0°C.
pH overlap
Celestial Pearl Danio: 7.0–8.0
Black Neon Tetra: 6.0–7.0
Shared window: 7.0–7.0.
Hardness overlap
Celestial Pearl Danio: Medium → Hard
Black Neon Tetra: Soft → Medium
Shared hardness bands: 1 (overlap ratio 50%).
Flow match
Celestial Pearl Danio: Low
Black Neon Tetra: Medium
Flow preferences do not conflict directly (no low-vs-high clash).
Behavioural Factors
Predation risk (size ratio)
Adult size ratio: 1.90x
Adult size gap is under 2.0x, which is usually a safer ratio.
Behaviour risk
- - Both species are generally peaceful; behaviour conflict risk is low.
Parameter snapshot
| Parameter | Celestial Pearl Danio | Black Neon Tetra |
|---|---|---|
| Adult size | 2.1 cm | 4.0 cm |
| Temperature | 15.0–24.0 °C | 23.0–27.0 °C |
| pH | 7.0–8.0 | 6.0–7.0 |
| Hardness | Medium → Hard | Soft → Medium |
| Flow | Low | Medium |
| Locations | Myanmar | Paraguay River Basin, South America |
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