๐Ÿ  Fish Compatibility Guide

Can Black Ruby Barb and Glass Catfish Live Together?

Updated September 23, 2026 ยท FishCare AI Editorial Team

โœ… Compatible โ€” Compatibility Score: 92/100
92/100 โ€” Compatible

Black Ruby Barb and Glass Catfish Compatibility Overview

Black Ruby Barb and Glass 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 Black Ruby Barb and Glass Catfish
FactorBlack Ruby BarbGlass CatfishVerdict
Temperature68โ€“81ยฐF68โ€“79ยฐFโœ… 68โ€“79ยฐF
pH Range5.5โ€“7.54.0โ€“7.0โœ… 5.5โ€“7.0
Temperamentpeacefulpeacefulโœ… Compatible
Adult Size2.2 in2.6 inโœ… Similar
Min. Group6+6+See below
Min. Tank Size20 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

Black Ruby Barb โ€” Pethia nigrofasciata

Black Ruby Barb and Glass Catfish compatibility โ€” Black Ruby Barb

The Black Ruby Barb is a vibrant, active species suitable for beginners. It requires a spacious tank and a school of its own kind to thrive. Its striking colors and lively nature make it a popular choice.

โ†’ Full Black Ruby Barb care guide

Glass Catfish โ€” Kryptopterus vitreolus

Black Ruby Barb and Glass Catfish 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

Frequently Asked Questions

Can Black Ruby Barb live with Glass Catfish?

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

A minimum of 20 gallons is recommended for keeping Black Ruby Barb and Glass Catfish together. A larger tank improves water stability and reduces territorial conflict.

What temperature suits both Black Ruby Barb and Glass Catfish?

68โ€“79ยฐF โ€” inside Black Ruby Barb's 68โ€“81ยฐF and Glass Catfish's 68โ€“79ยฐF.

Is a Black Ruby Barb aggressive toward a Glass Catfish?

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

Related Compatibility Guides

Tank Size for Black Ruby Barb and Glass Catfish

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

ScenarioTankWhen it applies
Minimum viable21 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.