Chili Rasbora and Congo Tetra Compatibility Overview
Chili Rasbora and Congo Tetra 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 | Chili Rasbora | Congo Tetra | Verdict |
|---|---|---|---|
| Temperature | 68โ82ยฐF | 73โ82ยฐF | โ 73โ82ยฐF |
| pH Range | 4.0โ7.0 | 6.0โ7.5 | โ 6.0โ7.0 |
| Temperament | peaceful | peaceful | โ Compatible |
| Adult Size | 0.8 in | 3.1 in | โ ๏ธ 3.9ร difference |
| Min. Group | 8+ | 6+ | See below |
| Min. Tank Size | 55 gallons (for both species) | โ | |
Compatibility Positives
Caution Points
Species Profiles
Chili Rasbora โ Boraras brigittae
Vivid red nano fish from Borneo blackwater habitats. Extremely small โ only safe with fish too small to swallow them.
โ Full Chili Rasbora care guide
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.
Frequently Asked Questions
Can Chili Rasbora live with Congo Tetra?
Yes, in a well-planned setup. Chili Rasbora and Congo Tetra 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 Chili Rasbora and Congo Tetra together?
A minimum of 55 gallons is recommended for keeping Chili Rasbora and Congo Tetra together. A larger tank improves water stability and reduces territorial conflict.
What temperature suits both Chili Rasbora and Congo Tetra?
73โ82ยฐF โ inside Chili Rasbora's 68โ82ยฐF and Congo Tetra's 73โ82ยฐF.
Is a Chili Rasbora aggressive toward a Congo Tetra?
Chili Rasbora is peaceful and Congo Tetra is peaceful. No major aggression issues are expected between these species.
Related Compatibility Guides
Tank Size for Chili Rasbora and Congo Tetra
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. |