Compatibility
Cardinal Tetra × Sparkling Gourami Compatibility
Compatibility calculated based on predation risk, behaviour profile, and water-parameter overlap.


Cardinal Tetra and Sparkling Gourami can usually live together in a well-planted community tank.
TemperatureB
pHA
HardnessB
FlowA
PredationA
BehaviourA
Generally compatibleA
Envrionmental Factors
Temperature overlap
Cardinal Tetra: 23.0–27.0 °C
Sparkling Gourami: 25.0–28.0 °C
Shared window: 25.0–27.0°C.
pH overlap
Cardinal Tetra: 5.0–7.0
Sparkling Gourami: 6.0–7.0
Shared window: 6.0–7.0.
Hardness overlap
Cardinal Tetra: Very soft → Soft
Sparkling Gourami: Soft → Hard
Shared hardness bands: 1 (overlap ratio 50%).
Flow match
Cardinal Tetra: Low
Sparkling Gourami: Low
Flow preferences do not conflict directly (no low-vs-high clash).
Behavioural Factors
Predation risk (size ratio)
Adult size ratio: 1.14x
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 | Cardinal Tetra | Sparkling Gourami |
|---|---|---|
| Adult size | 3.5 cm | 4.0 cm |
| Temperature | 23.0–27.0 °C | 25.0–28.0 °C |
| pH | 5.0–7.0 | 6.0–7.0 |
| Hardness | Very soft → Soft | Soft → Hard |
| Flow | Low | Low |
| Locations | South America | Indonesia, Laos +1 moreThailand |
Geographic overlap (supporting signal)
No recorded overlap in our dataset.
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
Best tank mates for Sparkling Gourami
Reference links to curated compatibility pair pages for this species.

Chili Rasbora
Boraras brigittae

Ember Tetra
Hyphessobrycon amandae

Kuhli Loach
Pangio kuhlii

Neon tetra
Paracheirodon innesi