๐Ÿ  Fish Compatibility Guide

Can African Butterfly Fish and Clown Knifefish 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 Clown Knifefish Compatibility Overview

African Butterfly Fish and Clown Knifefish are generally not recommended to be housed together. The adult size gap creates a meaningful predation risk. African Butterfly Fish is semi and Clown Knifefish is aggressive. Expect chasing and fin damage unless the tank is oversized, heavily planted, and watched closely. Review the behavior and water details before deciding whether to attempt the pairing.

Compatibility factors for African Butterfly Fish and Clown Knifefish
FactorAfrican Butterfly FishClown KnifefishVerdict
Temperature73โ€“86ยฐF68โ€“82ยฐFโœ… 73โ€“82ยฐF
pH Range6.0โ€“7.56.0โ€“8.0โœ… 6.0โ€“7.5
TemperamentsemiaggressiveโŒ Risk
Adult Size4.7 in39.4 inโŒ 8ร— difference
Min. Group1+1+See below
Min. Tank Size100 gallons (for both species)โ€”

Compatibility Positives

A stable shared temperature range is available.
Their pH requirements overlap.

Incompatibility Reasons

The adult size gap creates a meaningful predation risk.
African Butterfly Fish is semi and Clown Knifefish is aggressive. Expect chasing and fin damage unless the tank is oversized, heavily planted, and watched closely.

Species Profiles

African Butterfly Fish โ€” Pantodon buchholzi

African Butterfly Fish and Clown Knifefish 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

Clown Knifefish โ€” Chitala ornata

African Butterfly Fish and Clown Knifefish compatibility โ€” Clown Knifefish

The Clown Knifefish is a unique and visually striking species known for its slender body and distinctive coloration. It is a solitary fish that requires a spacious tank to thrive. With a moderate activity level and low aggression, it can be a suitable addition to a community tank with similarly peaceful species.

โ†’ Full Clown Knifefish care guide

Frequently Asked Questions

Can African Butterfly Fish live with Clown Knifefish?

Generally not recommended. African Butterfly Fish and Clown Knifefish are generally not recommended to be housed together. The adult size gap creates a meaningful predation risk. African Butterfly Fish is semi and Clown Knifefish is aggressive. Expect chasing and fin damage unless the tank is oversized, heavily planted, and watched closely. Review the behavior and water details before deciding whether to attempt the pairing.

What tank size do I need for African Butterfly Fish and Clown Knifefish together?

A minimum of 100 gallons is recommended for keeping African Butterfly Fish and Clown Knifefish together. A larger tank improves water stability and reduces territorial conflict.

What temperature suits both African Butterfly Fish and Clown Knifefish?

73โ€“82ยฐF โ€” inside African Butterfly Fish's 73โ€“86ยฐF and Clown Knifefish's 68โ€“82ยฐF.

Is a African Butterfly Fish aggressive toward a Clown Knifefish?

The adult size gap creates a meaningful predation risk.

Related Compatibility Guides

Tank Size for African Butterfly Fish and Clown Knifefish

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

ScenarioTankWhen it applies
Minimum viable300 galOnly for the recommended minimum groups, mature filtration, and close monitoring.
Recommended community450 galAdds territory, swimming room, and a safer buffer for behavior.
Low-conflict setup550 galBest when keeping larger schools or reducing territorial pressure.