Platy and Pygmy Corydoras Compatibility Overview
Platy and Pygmy Corydoras can generally share an aquarium with appropriate planning. Both species prefer overlapping temperature and pH ranges. Both species are peaceful, and neither poses a major aggression risk to the other. A minimum 20-gallon tank is recommended to provide adequate territory and water volume for both species.
| Factor | Platy | Pygmy Corydoras | Verdict |
|---|---|---|---|
| Temperature | 65โ80ยฐF | 72โ79ยฐF | โ 72โ79ยฐF |
| pH Range | 7.0โ8.5 | 6.0โ7.5 | โ ๏ธ 7.0โ7.5 (narrow) |
| Temperament | peaceful | peaceful | โ Compatible |
| Adult Size | 2.5 in | 1 in | โ ๏ธ 2.5ร difference |
| Min. Group | 3+ | 6+ | See below |
| Min. Tank Size | 20 gallons (for both species) | โ | |
Compatibility Positives
Caution Points
Species Profiles
Platy โ Xiphophorus maculatus
Hardy livebearers that are among the easiest fish to keep. Peaceful with virtually all community species. Prolific breeders.
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 Platy live with Pygmy Corydoras?
Yes, in a well-planned setup. Platy and Pygmy Corydoras can generally share an aquarium with appropriate planning. Both species prefer overlapping temperature and pH ranges. Both species are peaceful, and neither poses a major aggression risk to the other. A minimum 20-gallon tank is recommended to provide adequate territory and water volume for both species.
What tank size do I need for Platy and Pygmy Corydoras together?
A minimum of 20 gallons is recommended for keeping Platy and Pygmy Corydoras together. A larger tank improves water stability and reduces territorial conflict.
What temperature suits both Platy and Pygmy Corydoras?
72โ79ยฐF โ inside Platy's 65โ80ยฐF and Pygmy Corydoras's 72โ79ยฐF.
Is a Platy aggressive toward a Pygmy Corydoras?
Platy is peaceful and Pygmy Corydoras is peaceful. No major aggression issues are expected between these species.
Related Compatibility Guides
Tank Size for Platy 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 | 20 gal | Only for the recommended minimum groups, mature filtration, and close monitoring. |
| Recommended community | 29 gal | Adds territory, swimming room, and a safer buffer for behavior. |
| Low-conflict setup | 55 gal | Best when keeping larger schools or reducing territorial pressure. |