๐Ÿ  Fish Compatibility Guide

Can Glass Catfish and Zebra Danio Live Together?

Updated September 23, 2026 ยท FishCare AI Editorial Team

โœ… Compatible โ€” Compatibility Score: 86/100
86/100 โ€” Compatible

Glass Catfish and Zebra Danio Compatibility Overview

Glass Catfish and Zebra Danio 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 Glass Catfish and Zebra Danio
FactorGlass CatfishZebra DanioVerdict
Temperature68โ€“79ยฐF64โ€“82ยฐFโœ… 68โ€“79ยฐF
pH Range4.0โ€“7.06.5โ€“8.0โš ๏ธ 6.5โ€“7.0 (narrow)
Temperamentpeacefulpeacefulโœ… Compatible
Adult Size2.6 in2 inโœ… Similar
Min. Group6+5+See below
Min. Tank Size20 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

Glass Catfish โ€” Kryptopterus vitreolus

Glass Catfish and Zebra Danio 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

Zebra Danio โ€” Danio rerio

Glass Catfish and Zebra Danio compatibility โ€” Zebra Danio

Extremely hardy, fast-moving schooling fish tolerant of a wide temperature range. Active top-to-mid swimmers compatible with most community fish.

โ†’ Full Zebra Danio care guide

Frequently Asked Questions

Can Glass Catfish live with Zebra Danio?

Yes, in a well-planned setup. Glass Catfish and Zebra Danio 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 Glass Catfish and Zebra Danio together?

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

What temperature suits both Glass Catfish and Zebra Danio?

68โ€“79ยฐF โ€” inside Glass Catfish's 68โ€“79ยฐF and Zebra Danio's 64โ€“82ยฐF.

Is a Glass Catfish aggressive toward a Zebra Danio?

Glass Catfish is peaceful and Zebra Danio is peaceful. No major aggression issues are expected between these species.

Related Compatibility Guides

Tank Size for Glass Catfish and Zebra Danio

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.