Black Neon Tetra and Congo Tetra Compatibility Overview
Black Neon Tetra 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 | Black Neon Tetra | Congo Tetra | Verdict |
|---|---|---|---|
| Temperature | 68โ82ยฐF | 73โ82ยฐF | โ 73โ82ยฐF |
| pH Range | 5.0โ7.5 | 6.0โ7.5 | โ 6.0โ7.5 |
| Temperament | peaceful | peaceful | โ Compatible |
| Adult Size | 1.4 in | 3.1 in | โ ๏ธ 2.2ร difference |
| Min. Group | 8+ | 6+ | See below |
| Min. Tank Size | 55 gallons (for both species) | โ | |
Compatibility Positives
Caution Points
Species Profiles
Black Neon Tetra โ Hyphessobrycon herbertaxelrodi
The Black Neon Tetra is a popular freshwater species known for its vibrant colors and peaceful temperament. It is an excellent addition to community tanks, thriving in groups of 6 or more. These tetras require a well-maintained aquarium with a flowing current and plenty of swimming space. With proper care, they can live up to 5 years.
โ Full Black Neon Tetra 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 Black Neon Tetra live with Congo Tetra?
Yes, in a well-planned setup. Black Neon Tetra 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 Black Neon Tetra and Congo Tetra together?
A minimum of 55 gallons is recommended for keeping Black Neon Tetra and Congo Tetra together. A larger tank improves water stability and reduces territorial conflict.
What temperature suits both Black Neon Tetra and Congo Tetra?
73โ82ยฐF โ inside Black Neon Tetra's 68โ82ยฐF and Congo Tetra's 73โ82ยฐF.
Is a Black Neon Tetra aggressive toward a Congo Tetra?
Black Neon Tetra is peaceful and Congo Tetra is peaceful. No major aggression issues are expected between these species.
Related Compatibility Guides
Tank Size for Black Neon Tetra 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. |