Pygmy Corydoras and Zebra Danio Compatibility Overview
Pygmy Corydoras and Zebra Danio 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 | Pygmy Corydoras | Zebra Danio | Verdict |
|---|---|---|---|
| Temperature | 72โ79ยฐF | 64โ82ยฐF | โ 72โ79ยฐF |
| pH Range | 6.0โ7.5 | 6.5โ8.0 | โ 6.5โ7.5 |
| Temperament | peaceful | peaceful | โ Compatible |
| Adult Size | 1 in | 2 in | โ ๏ธ 2.0ร difference |
| Min. Group | 6+ | 5+ | See below |
| Min. Tank Size | 20 gallons (for both species) | โ | |
Compatibility Positives
Caution Points
Species Profiles
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.
โ Full Pygmy Corydoras care guide
Zebra Danio โ Danio rerio
Extremely hardy, fast-moving schooling fish tolerant of a wide temperature range. Active top-to-mid swimmers compatible with most community fish.
Frequently Asked Questions
Can Pygmy Corydoras live with Zebra Danio?
Yes, in a well-planned setup. Pygmy Corydoras and Zebra Danio 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 Pygmy Corydoras and Zebra Danio together?
A minimum of 20 gallons is recommended for keeping Pygmy Corydoras and Zebra Danio together. A larger tank improves water stability and reduces territorial conflict.
What temperature suits both Pygmy Corydoras and Zebra Danio?
72โ79ยฐF โ inside Pygmy Corydoras's 72โ79ยฐF and Zebra Danio's 64โ82ยฐF.
Is a Pygmy Corydoras aggressive toward a Zebra Danio?
Pygmy Corydoras is peaceful and Zebra Danio is peaceful. No major aggression issues are expected between these species.
Related Compatibility Guides
Tank Size for Pygmy Corydoras and Zebra Danio
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. |