๐Ÿ  Fish Compatibility Guide

Can Glass Catfish and Rosy Barb Live Together?

Updated September 23, 2026 ยท FishCare AI Editorial Team

โœ… Compatible โ€” Compatibility Score: 81/100
81/100 โ€” Compatible

Glass Catfish and Rosy Barb Compatibility Overview

Glass 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 Glass Catfish and Rosy Barb
FactorGlass CatfishRosy BarbVerdict
Temperature68โ€“79ยฐF61โ€“75ยฐFโœ… 68โ€“75ยฐF
pH Range4.0โ€“7.06.0โ€“8.0โœ… 6.0โ€“7.0
Temperamentpeacefulpeacefulโœ… Compatible
Adult Size2.6 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.
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

Glass Catfish โ€” Kryptopterus vitreolus

Glass Catfish and Rosy Barb compatibility โ€” Glass Catfish

The Glass Catfish, Kryptopterus vitreolus, is a popular freshwater aquarium fish known for its unique, translucent body and iridescent scales. It is a peaceful species that thrives in groups and is suitable for beginners due to its hardy nature. These catfish are bottom-dwellers and require a well-decorated tank with plenty of swimming space.

โ†’ Full Glass Catfish care guide

Rosy Barb โ€” Pethia conchonius

Glass Catfish 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 Glass Catfish live with Rosy Barb?

Yes, in a well-planned setup. Glass 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 Glass Catfish and Rosy Barb together?

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

What temperature suits both Glass Catfish and Rosy Barb?

68โ€“75ยฐF โ€” inside Glass Catfish's 68โ€“79ยฐF and Rosy Barb's 61โ€“75ยฐF.

Is a Glass Catfish aggressive toward a Rosy Barb?

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

Related Compatibility Guides

Tank Size for Glass Catfish 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.