๐Ÿ  Fish Compatibility Guide

Can Guppy and Sterbai Cory Live Together?

Updated September 23, 2026 ยท FishCare AI Editorial Team

โœ… Compatible โ€” Compatibility Score: 90/100
90/100 โ€” Compatible

Guppy and Sterbai Cory Compatibility Overview

Guppy and Sterbai Cory can generally share an aquarium with appropriate planning. Both species prefer overlapping temperature and pH ranges. Both species are peaceful, and neither poses a major aggression risk to the other. A minimum 20-gallon tank is recommended to provide adequate territory and water volume for both species.

Compatibility factors for Guppy and Sterbai Cory
FactorGuppySterbai CoryVerdict
Temperature72โ€“82ยฐF75โ€“82ยฐFโœ… 75โ€“82ยฐF
pH Range6.8โ€“8.56.0โ€“7.6โš ๏ธ 6.8โ€“7.6 (narrow)
Temperamentpeacefulpeacefulโœ… Compatible
Adult Size2.5 in2.6 inโœ… Similar
Min. Group3+6+See below
Min. Tank Size20 gallons (for both species)โ€”

Compatibility Positives

A stable shared temperature range is available.
Temperament risk is relatively low when normal group sizes are maintained.

Caution Points

Their pH ranges overlap only partly, so aim for the shared band and keep it steady.

Species Profiles

Guppy โ€” Poecilia reticulata

Guppy and Sterbai Cory compatibility โ€” Guppy

Hardy and colourful livebearers. Males' long flowing tails make them targets for fin-nipping species. Very prolific breeders.

โ†’ Full Guppy care guide

Sterbai Cory โ€” Corydoras sterbai

Guppy and Sterbai Cory compatibility โ€” Sterbai Cory

The Sterbai Cory, known for its dark brown coloration with silver spots, is a popular bottom-dwelling fish. With a peaceful temperament, it is well-suited for community tanks. It requires a well-planted tank with plenty of hiding spots and moderate water flow. Regular water changes and a balanced diet are essential for their health.

โ†’ Full Sterbai Cory care guide

Frequently Asked Questions

Can Guppy live with Sterbai Cory?

Yes, in a well-planned setup. Guppy and Sterbai Cory can generally share an aquarium with appropriate planning. Both species prefer overlapping temperature and pH ranges. Both species are peaceful, and neither poses a major aggression risk to the other. A minimum 20-gallon tank is recommended to provide adequate territory and water volume for both species.

What tank size do I need for Guppy and Sterbai Cory together?

A minimum of 20 gallons is recommended for keeping Guppy and Sterbai Cory together. A larger tank improves water stability and reduces territorial conflict.

What temperature suits both Guppy and Sterbai Cory?

75โ€“82ยฐF โ€” inside Guppy's 72โ€“82ยฐF and Sterbai Cory's 75โ€“82ยฐF.

Is a Guppy aggressive toward a Sterbai Cory?

Guppy is peaceful and Sterbai Cory is peaceful. No major aggression issues are expected between these species.

Related Compatibility Guides

Tank Size for Guppy and Sterbai Cory

Use the scenario that matches the actual group sizes and temperament you plan to keep.

ScenarioTankWhen it applies
Minimum viable20 galOnly for the recommended minimum groups, mature filtration, and close monitoring.
Recommended community29 galAdds territory, swimming room, and a safer buffer for behavior.
Low-conflict setup55 galBest when keeping larger schools or reducing territorial pressure.