๐Ÿ  Fish Compatibility Guide

Can African Butterfly Fish and Pajama Cardinalfish Live Together?

Updated September 23, 2026 ยท FishCare AI Editorial Team

โŒ Not Compatible โ€” Compatibility Score: 0/100
0/100 โ€” Not Compatible

African Butterfly Fish and Pajama Cardinalfish Compatibility Overview

African Butterfly Fish and Pajama Cardinalfish are generally not recommended to be housed together. One of these is a marine species and the other is not; they cannot share one aquarium. Their pH ranges do not meet: African Butterfly Fish wants 6.0โ€“7.5 and Pajama Cardinalfish wants 8.1โ€“8.4. Review the behavior and water details before deciding whether to attempt the pairing.

Compatibility factors for African Butterfly Fish and Pajama Cardinalfish
FactorAfrican Butterfly FishPajama CardinalfishVerdict
Temperature73โ€“86ยฐF72โ€“82ยฐFโœ… 73โ€“82ยฐF
pH Range6.0โ€“7.58.1โ€“8.4โŒ No overlap
Temperamentsemipeacefulโš ๏ธ Monitor
Adult Size4.7 in3.5 inโœ… Similar
Min. Group1+3+See below
Min. Tank Size55 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

One of these is a marine species and the other is not; they cannot share one aquarium.
Their pH ranges do not meet: African Butterfly Fish wants 6.0โ€“7.5 and Pajama Cardinalfish wants 8.1โ€“8.4.

Species Profiles

African Butterfly Fish โ€” Pantodon buchholzi

African Butterfly Fish and Pajama Cardinalfish 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

Pajama Cardinalfish โ€” Sphaeramia nematoptera

African Butterfly Fish and Pajama Cardinalfish compatibility โ€” Pajama Cardinalfish

The Pajama Cardinalfish is a popular, beginner-friendly fish that can add a splash of color to your aquarium. They are generally peaceful and can be kept in a community tank. With moderate activity levels and a preference for undisturbed swimming spaces, they require a well-maintained water quality and a spacious tank.

โ†’ Full Pajama Cardinalfish care guide

Frequently Asked Questions

Can African Butterfly Fish live with Pajama Cardinalfish?

Generally not recommended. African Butterfly Fish and Pajama Cardinalfish are generally not recommended to be housed together. One of these is a marine species and the other is not; they cannot share one aquarium. Their pH ranges do not meet: African Butterfly Fish wants 6.0โ€“7.5 and Pajama Cardinalfish wants 8.1โ€“8.4. Review the behavior and water details before deciding whether to attempt the pairing.

What tank size do I need for African Butterfly Fish and Pajama Cardinalfish together?

A minimum of 55 gallons is recommended for keeping African Butterfly Fish and Pajama Cardinalfish together. A larger tank improves water stability and reduces territorial conflict.

What temperature suits both African Butterfly Fish and Pajama Cardinalfish?

73โ€“82ยฐF โ€” inside African Butterfly Fish's 73โ€“86ยฐF and Pajama Cardinalfish's 72โ€“82ยฐF.

Is a African Butterfly Fish aggressive toward a Pajama Cardinalfish?

African Butterfly Fish is semi and Pajama Cardinalfish is peaceful. No major aggression issues are expected between these species.

Related Compatibility Guides

Tank Size for African Butterfly Fish and Pajama Cardinalfish

Use the scenario that matches the actual group sizes and temperament you plan to keep.

ScenarioTankWhen it applies
Minimum viable55 galOnly for the recommended minimum groups, mature filtration, and close monitoring.
Recommended community75 galAdds territory, swimming room, and a safer buffer for behavior.
Low-conflict setup125 galBest when keeping larger schools or reducing territorial pressure.