๐Ÿ  Fish Compatibility Guide

Can Glowlight Tetra and Pygmy Corydoras Live Together?

Updated September 23, 2026 ยท FishCare AI Editorial Team

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

Glowlight Tetra and Pygmy Corydoras Compatibility Overview

Glowlight Tetra and Pygmy Corydoras 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 Glowlight Tetra and Pygmy Corydoras
FactorGlowlight TetraPygmy CorydorasVerdict
Temperature75โ€“82ยฐF72โ€“79ยฐFโœ… 75โ€“79ยฐF
pH Range5.5โ€“7.56.0โ€“7.5โœ… 6.0โ€“7.5
Temperamentpeacefulpeacefulโœ… Compatible
Adult Size1.6 in1 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

Glowlight Tetra โ€” Hemigrammus erythrozonus

Glowlight Tetra and Pygmy Corydoras compatibility โ€” Glowlight Tetra

The Glowlight Tetra is a vibrant, peaceful community fish known for its silver body and bright red-gold highlights. It thrives in a well-planted tank with plenty of swimming space and a gentle water flow. These tetras are easy to care for and are suitable for beginners.

โ†’ Full Glowlight Tetra care guide

Pygmy Corydoras โ€” Corydoras pygmaeus

Glowlight Tetra and Pygmy Corydoras compatibility โ€” Pygmy Corydoras

Tiny armoured catfish that school in open water as well as on the substrate. Peaceful with all non-aggressive species.

โ†’ Full Pygmy Corydoras care guide

Frequently Asked Questions

Can Glowlight Tetra live with Pygmy Corydoras?

Yes, in a well-planned setup. Glowlight Tetra and Pygmy Corydoras 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 Glowlight Tetra and Pygmy Corydoras together?

A minimum of 20 gallons is recommended for keeping Glowlight Tetra and Pygmy Corydoras together. A larger tank improves water stability and reduces territorial conflict.

What temperature suits both Glowlight Tetra and Pygmy Corydoras?

75โ€“79ยฐF โ€” inside Glowlight Tetra's 75โ€“82ยฐF and Pygmy Corydoras's 72โ€“79ยฐF.

Is a Glowlight Tetra aggressive toward a Pygmy Corydoras?

Glowlight Tetra is peaceful and Pygmy Corydoras is peaceful. No major aggression issues are expected between these species.

Related Compatibility Guides

Tank Size for Glowlight Tetra and Pygmy 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.