๐Ÿ  Fish Compatibility Guide

Can Chili Rasbora and Corydoras Live Together?

Updated September 23, 2026 ยท FishCare AI Editorial Team

โœ… Compatible โ€” Compatibility Score: 78/100
78/100 โ€” Compatible

Chili Rasbora and Corydoras Compatibility Overview

Chili Rasbora and Corydoras Catfish 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 Chili Rasbora and Corydoras Catfish
FactorChili RasboraCorydoras CatfishVerdict
Temperature68โ€“82ยฐF70โ€“79ยฐFโœ… 70โ€“79ยฐF
pH Range4.0โ€“7.06.0โ€“8.0โœ… 6.0โ€“7.0
Temperamentpeacefulpeacefulโœ… Compatible
Adult Size0.8 in2.5 inโš ๏ธ 3.1ร— difference
Min. Group8+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

Chili Rasbora โ€” Boraras brigittae

Chili Rasbora and Corydoras compatibility โ€” Chili Rasbora

Vivid red nano fish from Borneo blackwater habitats. Extremely small โ€” only safe with fish too small to swallow them.

โ†’ Full Chili Rasbora care guide

Corydoras Catfish โ€” Corydoras spp.

Chili Rasbora and Corydoras 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

Frequently Asked Questions

Can Chili Rasbora live with Corydoras Catfish?

Yes, in a well-planned setup. Chili Rasbora and Corydoras Catfish 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 Chili Rasbora and Corydoras Catfish together?

A minimum of 20 gallons is recommended for keeping Chili Rasbora and Corydoras Catfish together. A larger tank improves water stability and reduces territorial conflict.

What temperature suits both Chili Rasbora and Corydoras Catfish?

70โ€“79ยฐF โ€” inside Chili Rasbora's 68โ€“82ยฐF and Corydoras Catfish's 70โ€“79ยฐF.

Is a Chili Rasbora aggressive toward a Corydoras Catfish?

Chili Rasbora is peaceful and Corydoras Catfish is peaceful. No major aggression issues are expected between these species.

Related Compatibility Guides

Tank Size for Chili Rasbora and Corydoras

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.