๐Ÿ  Fish Compatibility Guide

Can Glowlight Danio and Otocinclus Live Together?

Updated September 23, 2026 ยท FishCare AI Editorial Team

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

Glowlight Danio and Otocinclus Compatibility Overview

Glowlight Danio and Otocinclus 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 Danio and Otocinclus
FactorGlowlight DanioOtocinclusVerdict
Temperature73โ€“79ยฐF72โ€“82ยฐFโœ… 73โ€“79ยฐF
pH Range6.5โ€“7.56.0โ€“7.5โœ… 6.5โ€“7.5
Temperamentpeacefulpeacefulโœ… Compatible
Adult Size1.2 in1.5 inโœ… Similar
Min. Group8+4+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 Danio โ€” Danio choprae

Glowlight Danio and Otocinclus 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

Otocinclus โ€” Otocinclus spp.

Glowlight Danio and Otocinclus compatibility โ€” Otocinclus

Tiny algae-eating catfish that are peaceful with all species. Need established algae growth and biofilm; sensitive to ammonia.

โ†’ Full Otocinclus care guide

Frequently Asked Questions

Can Glowlight Danio live with Otocinclus?

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

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

What temperature suits both Glowlight Danio and Otocinclus?

73โ€“79ยฐF โ€” inside Glowlight Danio's 73โ€“79ยฐF and Otocinclus's 72โ€“82ยฐF.

Is a Glowlight Danio aggressive toward a Otocinclus?

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

Related Compatibility Guides

Tank Size for Glowlight Danio and Otocinclus

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.