Compatibility
Emerald Dwarf Rasbora × Cardinal Tetra Compatibility
Compatibility calculated based on predation risk, behaviour profile, and water-parameter overlap.
Emerald Dwarf Rasbora and Cardinal Tetra are not recommended together in most community setups, but water-parameter overlap should be checked carefully.
TemperatureB
pHC
HardnessC
FlowA
PredationA
BehaviourA
Not recommendedC
Envrionmental Factors
Temperature overlap
Emerald Dwarf Rasbora: 21.0–25.0 °C
Cardinal Tetra: 23.0–27.0 °C
Shared window: 23.0–25.0°C.
pH overlap
Emerald Dwarf Rasbora: 7.0–7.8
Cardinal Tetra: 5.0–7.0
Shared window: 7.0–7.0.
Hardness overlap
Emerald Dwarf Rasbora: Medium → Hard
Cardinal Tetra: Very soft → Soft
No shared hardness band is present.
Flow match
Emerald Dwarf Rasbora: Medium
Cardinal Tetra: Low
Flow preferences do not conflict directly (no low-vs-high clash).
Behavioural Factors
Predation risk (size ratio)
Adult size ratio: 1.40x
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 | Emerald Dwarf Rasbora | Cardinal Tetra |
|---|---|---|
| Adult size | 2.5 cm | 3.5 cm |
| Temperature | 21.0–25.0 °C | 23.0–27.0 °C |
| pH | 7.0–7.8 | 5.0–7.0 |
| Hardness | Medium → Hard | Very soft → Soft |
| Flow | Medium | Low |
| Locations | Lake Inle, Myanmar | South America |
Geographic overlap (supporting signal)
No recorded overlap in our dataset.
Best tank mates for Emerald Dwarf Rasbora
Reference links to curated compatibility pair pages for this species.
Celestial Pearl Danio
Danio margaritatus
Honey Gourami
Trichogaster chuna
Peppered Cory
Corydoras paleatus
White Cloud Mountain Minnow
Tanichthys albonubes
Best tank mates for Cardinal Tetra
Reference links to curated compatibility pair pages for this species.
Chili Rasbora
Boraras brigittae
Corydoras
Corydoras spp.
Dwarf Rasbora
Boraras maculatus
Ember Tetra
Hyphessobrycon amandae