๐Ÿ  Fish Compatibility Guide

Can Cardinal Tetra and Sparkling Gourami Live Together?

Updated September 23, 2026 ยท FishCare AI Editorial Team

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

Cardinal Tetra and Sparkling Gourami Compatibility Overview

Cardinal Tetra and Sparkling Gourami 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 Cardinal Tetra and Sparkling Gourami
FactorCardinal TetraSparkling GouramiVerdict
Temperature73โ€“82ยฐF72โ€“82ยฐFโœ… 73โ€“82ยฐF
pH Range4.5โ€“7.05.0โ€“7.5โœ… 5.0โ€“7.0
Temperamentpeacefulpeacefulโœ… Compatible
Adult Size1.5 in1.6 inโœ… Similar
Min. Group6+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

Cardinal Tetra โ€” Paracheirodon axelrodi

Cardinal Tetra and Sparkling Gourami compatibility โ€” Cardinal Tetra

Brilliant red-and-blue schooling fish from the Rio Negro. Prefers soft, acidic, warm water โ€” a natural companion for discus.

โ†’ Full Cardinal Tetra care guide

Sparkling Gourami โ€” Trichopsis pumila

Cardinal Tetra and Sparkling Gourami compatibility โ€” Sparkling Gourami

The Sparkling Gourami is a popular freshwater fish known for its vibrant colors and peaceful nature. It is well-suited for beginners due to its easy care requirements and compatibility with a variety of tank mates. These gouramis thrive in a well-maintained tank with plenty of swimming space and gentle water flow.

โ†’ Full Sparkling Gourami care guide

Frequently Asked Questions

Can Cardinal Tetra live with Sparkling Gourami?

Yes, in a well-planned setup. Cardinal Tetra and Sparkling Gourami 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 Cardinal Tetra and Sparkling Gourami together?

A minimum of 20 gallons is recommended for keeping Cardinal Tetra and Sparkling Gourami together. A larger tank improves water stability and reduces territorial conflict.

What temperature suits both Cardinal Tetra and Sparkling Gourami?

73โ€“82ยฐF โ€” inside Cardinal Tetra's 73โ€“82ยฐF and Sparkling Gourami's 72โ€“82ยฐF.

Is a Cardinal Tetra aggressive toward a Sparkling Gourami?

Cardinal Tetra is peaceful and Sparkling Gourami is peaceful. No major aggression issues are expected between these species.

Related Compatibility Guides

Tank Size for Cardinal Tetra and Sparkling Gourami

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.