African Butterfly Fish and Harlequin Rasbora Compatibility Overview
African Butterfly Fish and Harlequin Rasbora can generally share an aquarium with appropriate planning. Both species prefer overlapping temperature and pH ranges. African Butterfly Fish is semi and Harlequin Rasbora is peaceful, so give them room and cover rather than assuming they will ignore each other. A minimum 75-gallon tank is recommended to provide adequate territory and water volume for both species.
| Factor | African Butterfly Fish | Harlequin Rasbora | Verdict |
|---|---|---|---|
| Temperature | 73โ86ยฐF | 72โ81ยฐF | โ 73โ81ยฐF |
| pH Range | 6.0โ7.5 | 5.5โ7.5 | โ 6.0โ7.5 |
| Temperament | semi | peaceful | โ ๏ธ Monitor |
| Adult Size | 4.7 in | 1.75 in | โ ๏ธ 2.7ร difference |
| Min. Group | 1+ | 8+ | See below |
| Min. Tank Size | 75 gallons (for both species) | โ | |
Compatibility Positives
Caution Points
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
Harlequin Rasbora โ Trigonostigma heteromorpha
Active mid-level schooling fish with a distinctive black triangular patch. One of the best all-around community tank fish.
Frequently Asked Questions
Can African Butterfly Fish live with Harlequin Rasbora?
Yes, in a well-planned setup. African Butterfly Fish and Harlequin Rasbora can generally share an aquarium with appropriate planning. Both species prefer overlapping temperature and pH ranges. African Butterfly Fish is semi and Harlequin Rasbora is peaceful, so give them room and cover rather than assuming they will ignore each other. A minimum 75-gallon tank is recommended to provide adequate territory and water volume for both species.
What tank size do I need for African Butterfly Fish and Harlequin Rasbora together?
A minimum of 75 gallons is recommended for keeping African Butterfly Fish and Harlequin Rasbora together. A larger tank improves water stability and reduces territorial conflict.
What temperature suits both African Butterfly Fish and Harlequin Rasbora?
73โ81ยฐF โ inside African Butterfly Fish's 73โ86ยฐF and Harlequin Rasbora's 72โ81ยฐF.
Is a African Butterfly Fish aggressive toward a Harlequin Rasbora?
African Butterfly Fish is semi and Harlequin Rasbora is peaceful. No major aggression issues are expected between these species.
Related Compatibility Guides
Tank Size for African Butterfly Fish and Harlequin Rasbora
Use the scenario that matches the actual group sizes and temperament you plan to keep.
| Scenario | Tank | When it applies |
|---|---|---|
| Minimum viable | 75 gal | Only for the recommended minimum groups, mature filtration, and close monitoring. |
| Recommended community | 125 gal | Adds territory, swimming room, and a safer buffer for behavior. |
| Low-conflict setup | 150 gal | Best when keeping larger schools or reducing territorial pressure. |