Compatibility
Betta × Platy Compatibility
Compatibility calculated based on predation risk, behaviour profile, and water-parameter overlap.


Betta and Platy can live together in a well-planted community tank, but territorial behaviour should be monitored and water-parameter overlap should be checked carefully.
TemperatureC
pHB
HardnessB
FlowA
PredationA
BehaviourB
Compatible with cautionB
Envrionmental Factors
Temperature overlap
Betta: 24.0–30.0 °C
Platy: 20.0–25.0 °C
Shared window: 24.0–25.0°C.
pH overlap
Betta: 6.0–7.5
Platy: 7.0–8.0
Shared window: 7.0–7.5.
Hardness overlap
Betta: Very soft → Medium
Platy: Medium → Hard
Shared hardness bands: 1 (overlap ratio 50%).
Flow match
Betta: Low
Platy: Medium
Flow preferences do not conflict directly (no low-vs-high clash).
Behavioural Factors
Predation risk (size ratio)
Adult size ratio: 1.08x
Adult size gap is under 2.0x, which is usually a safer ratio.
Behaviour risk
- - Betta: Territorial.
- - At least one species can be pushy or fin-nippy; monitor closely.
- - Behaviour may vary by tank size and stocking; have a backup plan.
Parameter snapshot
| Parameter | Betta | Platy |
|---|---|---|
| Adult size | 6.0 cm | 6.5 cm |
| Temperature | 24.0–30.0 °C | 20.0–25.0 °C |
| pH | 6.0–7.5 | 7.0–8.0 |
| Hardness | Very soft → Medium | Medium → Hard |
| Flow | Low | Medium |
| Locations | Cambodia, Thailand | Central America |
Geographic overlap (supporting signal)
No recorded overlap in our dataset.
Best tank mates for Platy
Reference links to curated compatibility pair pages for this species.

Cherry barb
Rohanella titteya
Common Molly
Poecilia sphenops

Guppy
Poecilia reticulata

Swordtail
Xiphophorus hellerii