Cardinal Tetra and Dwarf Chain Loach Compatibility Overview
Cardinal Tetra and Dwarf Chain Loach 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 | Dwarf Chain Loach | Verdict |
|---|---|---|---|
| Temperature | 73โ82ยฐF | 68โ86ยฐF | โ 73โ82ยฐF |
| pH Range | 4.5โ7.0 | 5.5โ7.5 | โ 5.5โ7.0 |
| Temperament | peaceful | peaceful | โ Compatible |
| Adult Size | 1.5 in | 2.4 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
Dwarf Chain Loach โ Ambastaia sidthimunki
The Dwarf Chain Loach is a popular freshwater fish known for its striking appearance and peaceful nature. It is an excellent addition to any community tank, but requires careful attention to water parameters and tank setup to thrive. These fish are best suited for beginners due to their hardiness and ease of care.
Frequently Asked Questions
Can Cardinal Tetra live with Dwarf Chain Loach?
Yes, in a well-planned setup. Cardinal Tetra and Dwarf Chain Loach 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 Dwarf Chain Loach together?
A minimum of 20 gallons is recommended for keeping Cardinal Tetra and Dwarf Chain Loach together. A larger tank improves water stability and reduces territorial conflict.
What temperature suits both Cardinal Tetra and Dwarf Chain Loach?
73โ82ยฐF โ inside Cardinal Tetra's 73โ82ยฐF and Dwarf Chain Loach's 68โ86ยฐF.
Is a Cardinal Tetra aggressive toward a Dwarf Chain Loach?
Cardinal Tetra is peaceful and Dwarf Chain Loach is peaceful. No major aggression issues are expected between these species.
Related Compatibility Guides
Tank Size for Cardinal Tetra and Dwarf Chain Loach
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. |