Compatibility
Celestial Pearl Danio × Head and Tail Light Tetra Compatibility
Compatibility calculated based on predation risk, behaviour profile, and water-parameter overlap.
Celestial Pearl Danio and Head and Tail Light Tetra can usually live together in a well-planted community tank, but size difference should be monitored.
TemperatureB
pHA
HardnessB
FlowA
PredationB
BehaviourA
Generally compatibleA
Envrionmental Factors
Temperature overlap
Celestial Pearl Danio: 15.0–24.0 °C
Head and Tail Light Tetra: 22.0–26.0 °C
Shared window: 22.0–24.0°C.
pH overlap
Celestial Pearl Danio: 7.0–8.0
Head and Tail Light Tetra: 6.0–8.0
Shared window: 7.0–8.0.
Hardness overlap
Celestial Pearl Danio: Medium → Hard
Head and Tail Light Tetra: Very soft → Medium
Shared hardness bands: 1 (overlap ratio 50%).
Flow match
Celestial Pearl Danio: Low
Head and Tail Light Tetra: Low
Flow preferences do not conflict directly (no low-vs-high clash).
Behavioural Factors
Predation risk (size ratio)
Adult size ratio: 2.38x
Size gap is between 2.0x and 3.0x, so monitor for dominance and mouth-fit risk.
Behaviour risk
- - Both species are generally peaceful; behaviour conflict risk is low.
Parameter snapshot
| Parameter | Celestial Pearl Danio | Head and Tail Light Tetra |
|---|---|---|
| Adult size | 2.1 cm | 5.0 cm |
| Temperature | 15.0–24.0 °C | 22.0–26.0 °C |
| pH | 7.0–8.0 | 6.0–8.0 |
| Hardness | Medium → Hard | Very soft → Medium |
| Flow | Low | Low |
| Locations | Myanmar | Amazon basin, Brazil |
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
Honey Gourami
Trichogaster chuna
Neon tetra
Paracheirodon innesi
Panda Cory
Corydoras panda