Congo Tetra and Julii Cory Compatibility Overview
Congo Tetra and Julii 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 55-gallon tank is recommended to provide adequate territory and water volume for both species.
| Factor | Congo Tetra | Julii Cory | Verdict |
|---|---|---|---|
| Temperature | 73โ82ยฐF | 68โ79ยฐF | โ 73โ79ยฐF |
| pH Range | 6.0โ7.5 | 5.5โ7.5 | โ 6.0โ7.5 |
| Temperament | peaceful | peaceful | โ Compatible |
| Adult Size | 3.1 in | 2.2 in | โ Similar |
| Min. Group | 6+ | 6+ | See below |
| Min. Tank Size | 55 gallons (for both species) | โ | |
Compatibility Positives
Caution Points
Species Profiles
Congo Tetra โ Phenacogrammus interruptus
The Congo Tetra is a vibrant and active fish that thrives in a well-maintained freshwater aquarium. With its striking coloration and peaceful nature, it's a great addition to any community tank. This species is best kept in groups and requires a spacious tank with plenty of swimming space.
โ Full Congo Tetra care guide
Julii Cory โ Corydoras julii
The Julii Cory is a popular, peaceful bottom-dweller that thrives in community tanks. With a lifespan of up to 5 years, they are suitable for beginners and experienced aquarists alike. These fish are known for their dark brown coloration with distinctive white spots and a slender, flat body shape.
Frequently Asked Questions
Can Congo Tetra live with Julii Cory?
Yes, in a well-planned setup. Congo Tetra and Julii 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 55-gallon tank is recommended to provide adequate territory and water volume for both species.
What tank size do I need for Congo Tetra and Julii Cory together?
A minimum of 55 gallons is recommended for keeping Congo Tetra and Julii Cory together. A larger tank improves water stability and reduces territorial conflict.
What temperature suits both Congo Tetra and Julii Cory?
73โ79ยฐF โ inside Congo Tetra's 73โ82ยฐF and Julii Cory's 68โ79ยฐF.
Is a Congo Tetra aggressive toward a Julii Cory?
Congo Tetra is peaceful and Julii Cory is peaceful. No major aggression issues are expected between these species.
Related Compatibility Guides
Tank Size for Congo Tetra and Julii Cory
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. |