Black Phantom Tetra and Keyhole Cichlid Compatibility Overview
Black Phantom Tetra and Keyhole Cichlid 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 75-gallon tank is recommended to provide adequate territory and water volume for both species.
| Factor | Black Phantom Tetra | Keyhole Cichlid | Verdict |
|---|---|---|---|
| Temperature | 68โ82ยฐF | 70โ82ยฐF | โ 70โ82ยฐF |
| pH Range | 5.0โ7.0 | 4.0โ7.5 | โ 5.0โ7.0 |
| Temperament | peaceful | peaceful | โ Compatible |
| Adult Size | 1.4 in | 4.3 in | โ ๏ธ 3.1ร difference |
| Min. Group | 8+ | 2+ | See below |
| Min. Tank Size | 75 gallons (for both species) | โ | |
Compatibility Positives
Caution Points
Species Profiles
Black Phantom Tetra โ Hyphessobrycon megalopterus
The Black Phantom Tetra is a popular freshwater fish known for its striking black and silver coloration. It is generally peaceful and can be kept in a community tank with other non-aggressive species. They require a well-maintained tank with a moderate water flow and a good cover of plants.
โ Full Black Phantom Tetra care guide
Keyhole Cichlid โ Cleithracara maronii
The Keyhole Cichlid is a popular choice for beginners due to its relatively easy care and peaceful temperament. These fish are known for their distinct keyhole marking and vibrant coloration. They do well in a community tank with other peaceful species, but should be provided with plenty of hiding spots to feel secure.
Frequently Asked Questions
Can Black Phantom Tetra live with Keyhole Cichlid?
Yes, in a well-planned setup. Black Phantom Tetra and Keyhole Cichlid 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 75-gallon tank is recommended to provide adequate territory and water volume for both species.
What tank size do I need for Black Phantom Tetra and Keyhole Cichlid together?
A minimum of 75 gallons is recommended for keeping Black Phantom Tetra and Keyhole Cichlid together. A larger tank improves water stability and reduces territorial conflict.
What temperature suits both Black Phantom Tetra and Keyhole Cichlid?
70โ82ยฐF โ inside Black Phantom Tetra's 68โ82ยฐF and Keyhole Cichlid's 70โ82ยฐF.
Is a Black Phantom Tetra aggressive toward a Keyhole Cichlid?
Black Phantom Tetra is peaceful and Keyhole Cichlid is peaceful. No major aggression issues are expected between these species.
Related Compatibility Guides
Tank Size for Black Phantom Tetra and Keyhole Cichlid
Use the scenario that matches the actual group sizes and temperament you plan to keep.
| Scenario | Tank | When it applies |
|---|---|---|
| Minimum viable | 75 gal | Only for the recommended minimum groups, mature filtration, and close monitoring. |
| Recommended community | 125 gal | Adds territory, swimming room, and a safer buffer for behavior. |
| Low-conflict setup | 150 gal | Best when keeping larger schools or reducing territorial pressure. |