Compatibility

Pigmy Cory × Celestial Pearl Danio Compatibility

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

Pigmy Cory
Species A
Pigmy Cory
Corydoras pygmaeus
View speciesView Corydoras genus
Celestial Pearl Danio
Species B
Celestial Pearl Danio
Danio margaritatus
View speciesView Danio genus

Pigmy Cory and Celestial Pearl Danio can live together in a well-planted community tank, but water-parameter overlap should be checked carefully.

TemperatureB
pHC
HardnessB
FlowA
PredationA
BehaviourA
Compatible with cautionB

Envrionmental Factors

Temperature overlap
Pigmy Cory: 22.0–26.0 °C
Celestial Pearl Danio: 15.0–24.0 °C
Shared window: 22.0–24.0°C.
pH overlap
Pigmy Cory: 6.0–7.2
Celestial Pearl Danio: 7.0–8.0
Shared window: 7.0–7.2.
Hardness overlap
Pigmy Cory: Very soft → Medium
Celestial Pearl Danio: Medium → Hard
Shared hardness bands: 1 (overlap ratio 50%).
Flow match
Pigmy Cory: Low
Celestial Pearl Danio: Low
Flow preferences do not conflict directly (no low-vs-high clash).

Behavioural Factors

Predation risk (size ratio)
Adult size ratio: 1.24x
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
ParameterPigmy CoryCelestial Pearl Danio
Adult size2.6 cm2.1 cm
Temperature22.0–26.0 °C15.0–24.0 °C
pH6.0–7.27.0–8.0
HardnessVery soft → MediumMedium → Hard
FlowLowLow
LocationsRio Madeira, BrazilMyanmar
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
Emerald Dwarf Rasbora
Danio erythromicron
Head and Tail Light Tetra
Head and Tail Light Tetra
Holopristis ocellifera
Honey Gourami
Honey Gourami
Trichogaster chuna
Neon tetra
Neon tetra
Paracheirodon innesi

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