๐Ÿ  Fish Compatibility Guide

Can Corydoras and Rosy Barb Live Together?

Updated September 23, 2026 ยท FishCare AI Editorial Team

โœ… Compatible โ€” Compatibility Score: 89/100
89/100 โ€” Compatible

Corydoras and Rosy Barb Compatibility Overview

Corydoras Catfish and Rosy Barb 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 75-gallon tank is recommended to provide adequate territory and water volume for both species.

Compatibility factors for Corydoras Catfish and Rosy Barb
FactorCorydoras CatfishRosy BarbVerdict
Temperature70โ€“79ยฐF61โ€“75ยฐFโœ… 70โ€“75ยฐF
pH Range6.0โ€“8.06.0โ€“8.0โœ… 6.0โ€“8.0
Temperamentpeacefulpeacefulโœ… Compatible
Adult Size2.5 in3.9 inโœ… Similar
Min. Group6+8+See below
Min. Tank Size75 gallons (for both species)โ€”

Compatibility Positives

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

Caution Points

No major compatibility issues identified for this pair.

Species Profiles

Corydoras Catfish โ€” Corydoras spp.

Corydoras and Rosy Barb compatibility โ€” Corydoras Catfish

Armoured bottom-dwelling catfish that are peaceful with all non-aggressive species. Need fine sand substrate to protect delicate barbels.

โ†’ Full Corydoras Catfish care guide

Rosy Barb โ€” Pethia conchonius

Corydoras and Rosy Barb compatibility โ€” Rosy Barb

The Rosy Barb is a popular freshwater fish known for its vibrant coloration and peaceful nature. It is well-suited for community tanks with other non-aggressive species. They require a well-maintained environment and can be sensitive to water quality fluctuations. With proper care, they can thrive and add a splash of color to your aquarium.

โ†’ Full Rosy Barb care guide

Frequently Asked Questions

Can Corydoras Catfish live with Rosy Barb?

Yes, in a well-planned setup. Corydoras Catfish and Rosy Barb 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 75-gallon tank is recommended to provide adequate territory and water volume for both species.

What tank size do I need for Corydoras Catfish and Rosy Barb together?

A minimum of 75 gallons is recommended for keeping Corydoras Catfish and Rosy Barb together. A larger tank improves water stability and reduces territorial conflict.

What temperature suits both Corydoras Catfish and Rosy Barb?

70โ€“75ยฐF โ€” inside Corydoras Catfish's 70โ€“79ยฐF and Rosy Barb's 61โ€“75ยฐF.

Is a Corydoras Catfish aggressive toward a Rosy Barb?

Corydoras Catfish is peaceful and Rosy Barb is peaceful. No major aggression issues are expected between these species.

Related Compatibility Guides

Tank Size for Corydoras and Rosy Barb

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

ScenarioTankWhen it applies
Minimum viable75 galOnly for the recommended minimum groups, mature filtration, and close monitoring.
Recommended community125 galAdds territory, swimming room, and a safer buffer for behavior.
Low-conflict setup150 galBest when keeping larger schools or reducing territorial pressure.