African Butterfly Fish and Koi Compatibility Overview
African Butterfly Fish and Koi are generally not recommended to be housed together. Koi is a cool-water fish and African Butterfly Fish is tropical, so the usable temperature range decides this pairing. The adult size gap creates a meaningful predation risk. Review the behavior and water details before deciding whether to attempt the pairing.
| Factor | African Butterfly Fish | Koi | Verdict |
|---|---|---|---|
| Temperature | 73โ86ยฐF | 50โ75ยฐF | โ ๏ธ 73โ75ยฐF (narrow) |
| pH Range | 6.0โ7.5 | 7.0โ8.5 | โ ๏ธ 7.0โ7.5 (narrow) |
| Temperament | semi | peaceful | โ ๏ธ Monitor |
| Adult Size | 4.7 in | 24 in | โ 5ร difference |
| Min. Group | 1+ | 2+ | See below |
| Min. Tank Size | 100 gallons (for both species) | โ | |
Compatibility Positives
Incompatibility Reasons
Species Profiles
African Butterfly Fish โ Pantodon buchholzi
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
Koi โ Cyprinus rubrofuscus
Large pond fish that require hundreds of gallons and cool water. Will eat any fish small enough to fit in their mouth.
Frequently Asked Questions
Can African Butterfly Fish live with Koi?
Generally not recommended. African Butterfly Fish and Koi are generally not recommended to be housed together. Koi is a cool-water fish and African Butterfly Fish is tropical, so the usable temperature range decides this pairing. The adult size gap creates a meaningful predation risk. Review the behavior and water details before deciding whether to attempt the pairing.
What tank size do I need for African Butterfly Fish and Koi together?
A minimum of 100 gallons is recommended for keeping African Butterfly Fish and Koi together. A larger tank improves water stability and reduces territorial conflict.
What temperature suits both African Butterfly Fish and Koi?
73โ75ยฐF (narrow) โ inside African Butterfly Fish's 73โ86ยฐF and Koi's 50โ75ยฐF.
Is a African Butterfly Fish aggressive toward a Koi?
The adult size gap creates a meaningful predation risk.
Related Compatibility Guides
Tank Size for African Butterfly Fish and Koi
Use the scenario that matches the actual group sizes and temperament you plan to keep.
| Scenario | Tank | When it applies |
|---|---|---|
| Minimum viable | 100 gal | Only for the recommended minimum groups, mature filtration, and close monitoring. |
| Recommended community | 150 gal | Adds territory, swimming room, and a safer buffer for behavior. |
| Low-conflict setup | 180 gal | Best when keeping larger schools or reducing territorial pressure. |