๐Ÿ  Fish Compatibility Guide

Can Glowlight Tetra and X Ray Tetra Live Together?

Updated September 23, 2026 ยท FishCare AI Editorial Team

โœ… Compatible โ€” Compatibility Score: 96/100
96/100 โ€” Compatible

Glowlight Tetra and X Ray Tetra Compatibility Overview

Glowlight Tetra and X Ray Tetra 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 X Ray Tetra
FactorGlowlight TetraX Ray TetraVerdict
Temperature75โ€“82ยฐF72โ€“82ยฐFโœ… 75โ€“82ยฐF
pH Range5.5โ€“7.56.0โ€“7.5โœ… 6.0โ€“7.5
Temperamentpeacefulpeacefulโœ… Compatible
Adult Size1.6 in1.8 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 X Ray Tetra 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

X Ray Tetra โ€” Pristella maxillaris

Glowlight Tetra and X Ray Tetra compatibility โ€” X Ray Tetra

The Pristella maxillaris, also known as the X-Ray Tetra, is a popular freshwater fish known for its unique appearance and peaceful nature. They are slender and iridescent, with a clear, almost x-ray-like body. They are best kept in groups of 6 or more and thrive in well-planted tanks with a moderate water flow.

โ†’ Full X Ray Tetra care guide

Frequently Asked Questions

Can Glowlight Tetra live with X Ray Tetra?

Yes, in a well-planned setup. Glowlight Tetra and X Ray Tetra 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 X Ray Tetra together?

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

What temperature suits both Glowlight Tetra and X Ray Tetra?

75โ€“82ยฐF โ€” inside Glowlight Tetra's 75โ€“82ยฐF and X Ray Tetra's 72โ€“82ยฐF.

Is a Glowlight Tetra aggressive toward a X Ray Tetra?

Glowlight Tetra is peaceful and X Ray Tetra is peaceful. No major aggression issues are expected between these species.

Related Compatibility Guides

Tank Size for Glowlight Tetra and X Ray Tetra

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.