Cardinal Tetra and Peppered Cory Compatibility Overview
Cardinal Tetra and Peppered Cory 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 | Cardinal Tetra | Peppered Cory | Verdict |
|---|---|---|---|
| Temperature | 73โ82ยฐF | 72โ79ยฐF | โ 73โ79ยฐF |
| pH Range | 4.5โ7.0 | 6.0โ7.0 | โ 6.0โ7.0 |
| Temperament | peaceful | peaceful | โ Compatible |
| Adult Size | 1.5 in | 2.8 in | โ Similar |
| Min. Group | 6+ | 6+ | See below |
| Min. Tank Size | 20 gallons (for both species) | โ | |
Compatibility Positives
Caution Points
Species Profiles
Cardinal Tetra โ Paracheirodon axelrodi
Brilliant red-and-blue schooling fish from the Rio Negro. Prefers soft, acidic, warm water โ a natural companion for discus.
โ Full Cardinal Tetra care guide
Peppered Cory โ Corydoras paleatus
The Peppered Cory is a popular freshwater fish known for its peaceful nature and unique appearance. They are suitable for beginners and can thrive in a community tank. These fish are small, reaching up to 7 cm in size, and are easily recognizable by their dark brown bodies with white spots.
Frequently Asked Questions
Can Cardinal Tetra live with Peppered Cory?
Yes, in a well-planned setup. Cardinal Tetra and Peppered Cory 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 Cardinal Tetra and Peppered Cory together?
A minimum of 20 gallons is recommended for keeping Cardinal Tetra and Peppered Cory together. A larger tank improves water stability and reduces territorial conflict.
What temperature suits both Cardinal Tetra and Peppered Cory?
73โ79ยฐF โ inside Cardinal Tetra's 73โ82ยฐF and Peppered Cory's 72โ79ยฐF.
Is a Cardinal Tetra aggressive toward a Peppered Cory?
Cardinal Tetra is peaceful and Peppered Cory is peaceful. No major aggression issues are expected between these species.
Related Compatibility Guides
Tank Size for Cardinal Tetra and Peppered Cory
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. |