๐Ÿ  Fish Compatibility Guide

Can Glass Catfish and Lemon Tetra Live Together?

Updated September 23, 2026 ยท FishCare AI Editorial Team

โœ… Compatible โ€” Compatibility Score: 93/100
93/100 โ€” Compatible

Glass Catfish and Lemon Tetra Compatibility Overview

Glass Catfish and Lemon 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 Glass Catfish and Lemon Tetra
FactorGlass CatfishLemon TetraVerdict
Temperature68โ€“79ยฐF68โ€“82ยฐFโœ… 68โ€“79ยฐF
pH Range4.0โ€“7.05.0โ€“7.5โœ… 5.0โ€“7.0
Temperamentpeacefulpeacefulโœ… Compatible
Adult Size2.6 in1.6 inโœ… Similar
Min. Group6+8+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

Glass Catfish โ€” Kryptopterus vitreolus

Glass Catfish and Lemon Tetra 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

Lemon Tetra โ€” Hyphessobrycon pulchripinnis

Glass Catfish and Lemon Tetra compatibility โ€” Lemon Tetra

The Lemon Tetra is a vibrant, peaceful addition to freshwater tanks. Known for its striking yellow and red colors, it is well-suited for community tanks. They are active swimmers and thrive in groups. Maintaining stable water conditions is key to their health.

โ†’ Full Lemon Tetra care guide

Frequently Asked Questions

Can Glass Catfish live with Lemon Tetra?

Yes, in a well-planned setup. Glass Catfish and Lemon 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 Glass Catfish and Lemon Tetra together?

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

What temperature suits both Glass Catfish and Lemon Tetra?

68โ€“79ยฐF โ€” inside Glass Catfish's 68โ€“79ยฐF and Lemon Tetra's 68โ€“82ยฐF.

Is a Glass Catfish aggressive toward a Lemon Tetra?

Glass Catfish is peaceful and Lemon Tetra is peaceful. No major aggression issues are expected between these species.

Related Compatibility Guides

Tank Size for Glass Catfish and Lemon Tetra

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.