๐Ÿ  Fish Compatibility Guide

Can African Butterfly Fish and Cardinal Tetra Live Together?

Updated September 23, 2026 ยท FishCare AI Editorial Team

โŒ Not Compatible โ€” Compatibility Score: 32/100
32/100 โ€” Not Compatible

African Butterfly Fish and Cardinal Tetra Compatibility Overview

African Butterfly Fish and Cardinal Tetra are generally not recommended to be housed together. The adult size gap creates a meaningful predation risk. Their pH ranges overlap only partly, so aim for the shared band and keep it steady. Review the behavior and water details before deciding whether to attempt the pairing.

Compatibility factors for African Butterfly Fish and Cardinal Tetra
FactorAfrican Butterfly FishCardinal TetraVerdict
Temperature73โ€“86ยฐF73โ€“82ยฐFโœ… 73โ€“82ยฐF
pH Range6.0โ€“7.54.5โ€“7.0โœ… 6.0โ€“7.0
Temperamentsemipeacefulโš ๏ธ Monitor
Adult Size4.7 in1.5 inโš ๏ธ 3.1ร— difference
Min. Group1+6+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.

Incompatibility Reasons

The adult size gap creates a meaningful predation risk.
Their pH ranges overlap only partly, so aim for the shared band and keep it steady.

Species Profiles

African Butterfly Fish โ€” Pantodon buchholzi

African Butterfly Fish and Cardinal Tetra compatibility โ€” African Butterfly Fish

The African Butterfly Fish is a popular freshwater species known for its striking appearance and peaceful demeanor. It requires a well-maintained tank with plenty of swimming space and hiding spots. With a moderate activity level, it is suitable for beginners and can be kept in a community tank with compatible species.

โ†’ Full African Butterfly Fish care guide

Cardinal Tetra โ€” Paracheirodon axelrodi

African Butterfly Fish and Cardinal Tetra 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

Frequently Asked Questions

Can African Butterfly Fish live with Cardinal Tetra?

Generally not recommended. African Butterfly Fish and Cardinal Tetra are generally not recommended to be housed together. The adult size gap creates a meaningful predation risk. Their pH ranges overlap only partly, so aim for the shared band and keep it steady. Review the behavior and water details before deciding whether to attempt the pairing.

What tank size do I need for African Butterfly Fish and Cardinal Tetra together?

A minimum of 75 gallons is recommended for keeping African Butterfly Fish and Cardinal Tetra together. A larger tank improves water stability and reduces territorial conflict.

What temperature suits both African Butterfly Fish and Cardinal Tetra?

73โ€“82ยฐF โ€” inside African Butterfly Fish's 73โ€“86ยฐF and Cardinal Tetra's 73โ€“82ยฐF.

Is a African Butterfly Fish aggressive toward a Cardinal Tetra?

The adult size gap creates a meaningful predation risk.

Related Compatibility Guides

Tank Size for African Butterfly Fish and Cardinal Tetra

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.