๐Ÿ  Fish Compatibility Guide

Can Glowlight Danio and Swordtail Live Together?

Updated September 23, 2026 ยท FishCare AI Editorial Team

โœ… Compatible โ€” Compatibility Score: 76/100
76/100 โ€” Compatible

Glowlight Danio and Swordtail Compatibility Overview

Glowlight Danio and Swordtail 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 Glowlight Danio and Swordtail
FactorGlowlight DanioSwordtailVerdict
Temperature73โ€“79ยฐF65โ€“80ยฐFโœ… 73โ€“79ยฐF
pH Range6.5โ€“7.57.0โ€“8.3โš ๏ธ 7.0โ€“7.5 (narrow)
Temperamentpeacefulpeacefulโœ… Compatible
Adult Size1.2 in5 inโŒ 4ร— difference
Min. Group8+3+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

Glowlight Danio โ€” Danio choprae

Glowlight Danio and Swordtail compatibility โ€” Glowlight Danio

The Glowlight Danio is a popular freshwater fish known for its vibrant colors and active nature. They are ideal for beginners due to their hardiness and ease of care. These fish thrive in a well-maintained tank with plenty of swimming space and a school of their own kind.

โ†’ Full Glowlight Danio care guide

Swordtail โ€” Xiphophorus hellerii

Glowlight Danio and Swordtail compatibility โ€” Swordtail

Hardy livebearer with a distinctive elongated lower tail fin in males. Peaceful community fish that tolerate a wide temperature range.

โ†’ Full Swordtail care guide

Frequently Asked Questions

Can Glowlight Danio live with Swordtail?

Yes, in a well-planned setup. Glowlight Danio and Swordtail 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 Glowlight Danio and Swordtail together?

A minimum of 75 gallons is recommended for keeping Glowlight Danio and Swordtail together. A larger tank improves water stability and reduces territorial conflict.

What temperature suits both Glowlight Danio and Swordtail?

73โ€“79ยฐF โ€” inside Glowlight Danio's 73โ€“79ยฐF and Swordtail's 65โ€“80ยฐF.

Is a Glowlight Danio aggressive toward a Swordtail?

Glowlight Danio is peaceful and Swordtail is peaceful. No major aggression issues are expected between these species.

Related Compatibility Guides

Tank Size for Glowlight Danio and Swordtail

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.