Bosemans Rainbowfish and Pygmy Corydoras Compatibility Overview
Bosemans Rainbowfish and Pygmy Corydoras are generally not recommended to be housed together. There is no shared temperature: Bosemans Rainbowfish needs 81โ86ยฐF and Pygmy Corydoras needs 72โ79ยฐF. 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.
| Factor | Bosemans Rainbowfish | Pygmy Corydoras | Verdict |
|---|---|---|---|
| Temperature | 81โ86ยฐF | 72โ79ยฐF | โ No overlap |
| pH Range | 7.0โ8.0 | 6.0โ7.5 | โ ๏ธ 7.0โ7.5 (narrow) |
| Temperament | peaceful | peaceful | โ Compatible |
| Adult Size | 4.3 in | 1 in | โ 4ร difference |
| Min. Group | 6+ | 6+ | See below |
| Min. Tank Size | 55 gallons (for both species) | โ | |
Compatibility Positives
Incompatibility Reasons
Species Profiles
Bosemans Rainbowfish โ Melanotaenia boesemani
Boeseman's Rainbowfish is a popular freshwater species known for its vibrant colors and peaceful nature. They require a spacious tank and a well-maintained water quality to thrive. These fish are suitable for beginners and can be kept in a community tank with other peaceful species.
โ Full Bosemans Rainbowfish care guide
Pygmy Corydoras โ Corydoras pygmaeus
Tiny armoured catfish that school in open water as well as on the substrate. Peaceful with all non-aggressive species.
Frequently Asked Questions
Can Bosemans Rainbowfish live with Pygmy Corydoras?
Generally not recommended. Bosemans Rainbowfish and Pygmy Corydoras are generally not recommended to be housed together. There is no shared temperature: Bosemans Rainbowfish needs 81โ86ยฐF and Pygmy Corydoras needs 72โ79ยฐF. 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 Bosemans Rainbowfish and Pygmy Corydoras together?
A minimum of 55 gallons is recommended for keeping Bosemans Rainbowfish and Pygmy Corydoras together. A larger tank improves water stability and reduces territorial conflict.
What temperature suits both Bosemans Rainbowfish and Pygmy Corydoras?
There is no safe shared range: Bosemans Rainbowfish needs 81โ86ยฐF and Pygmy Corydoras needs 72โ79ยฐF.
Is a Bosemans Rainbowfish aggressive toward a Pygmy Corydoras?
Bosemans Rainbowfish is peaceful and Pygmy Corydoras is peaceful. No major aggression issues are expected between these species.
Related Compatibility Guides
Tank Size for Bosemans Rainbowfish and Pygmy Corydoras
Use the scenario that matches the actual group sizes and temperament you plan to keep.
| Scenario | Tank | When it applies |
|---|---|---|
| Minimum viable | 55 gal | Only for the recommended minimum groups, mature filtration, and close monitoring. |
| Recommended community | 75 gal | Adds territory, swimming room, and a safer buffer for behavior. |
| Low-conflict setup | 125 gal | Best when keeping larger schools or reducing territorial pressure. |