Compatibility

Guppy × Chili Rasbora Compatibility

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

Guppy
Species A
Guppy
Poecilia reticulata
View speciesView Poecilia genus
Chili Rasbora
Species B
Chili Rasbora
Boraras brigittae
View speciesView Boraras genus

Guppy and Chili Rasbora are not recommended together in most community setups, but size difference should be monitored and water-parameter overlap should be checked carefully.

TemperatureA
pHC
HardnessC
FlowA
PredationB
BehaviourA
Not recommendedC

Envrionmental Factors

Temperature overlap
Guppy: 20.0–28.0 °C
Chili Rasbora: 24.0–28.0 °C
Shared window: 24.0–28.0°C.
pH overlap
Guppy: 7.0–8.0
Chili Rasbora: 4.0–7.0
Shared window: 7.0–7.0.
Hardness overlap
Guppy: Medium → Very hard
Chili Rasbora: Very soft → Soft
No shared hardness band is present.
Flow match
Guppy: Medium
Chili Rasbora: Low
Flow preferences do not conflict directly (no low-vs-high clash).

Behavioural Factors

Predation risk (size ratio)
Adult size ratio: 2.00x
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
ParameterGuppyChili Rasbora
Adult size5.0 cm2.5 cm
Temperature20.0–28.0 °C24.0–28.0 °C
pH7.0–8.04.0–7.0
HardnessMedium → Very hardVery soft → Soft
FlowMediumLow
LocationsSouth America, BarbadosSouthern Borneo, Indonesia
Geographic overlap (supporting signal)

No recorded overlap in our dataset.

Best tank mates for Guppy

Reference links to curated compatibility pair pages for this species.

Common Molly
Common Molly
Poecilia sphenops
Endler's livebearer
Endler's livebearer
Poecilia wingei
Platy
Platy
Xiphophorus maculatus
Swordtail
Swordtail
Xiphophorus hellerii

Best tank mates for Chili Rasbora

Reference links to curated compatibility pair pages for this species.

Cardinal Tetra
Cardinal Tetra
Paracheirodon axelrodi
Cherry barb
Cherry barb
Rohanella titteya
Ember Tetra
Ember Tetra
Hyphessobrycon amandae
Harlequin rasbora
Harlequin rasbora
Trigonostigma heteromorpha

Explore more