Angelfish and Keyhole Cichlid Compatibility Overview
Angelfish and Keyhole Cichlid can generally share an aquarium with appropriate planning. Both species prefer overlapping temperature and pH ranges. Angelfish is semi and Keyhole Cichlid is peaceful, so give them room and cover rather than assuming they will ignore each other. A minimum 55-gallon tank is recommended to provide adequate territory and water volume for both species.
| Factor | Angelfish | Keyhole Cichlid | Verdict |
|---|---|---|---|
| Temperature | 74โ84ยฐF | 70โ82ยฐF | โ 74โ82ยฐF |
| pH Range | 6.0โ7.5 | 4.0โ7.5 | โ 6.0โ7.5 |
| Temperament | semi | peaceful | โ ๏ธ Monitor |
| Adult Size | 6 in | 4.3 in | โ Similar |
| Min. Group | 1+ | 2+ | See below |
| Min. Tank Size | 55 gallons (for both species) | โ | |
Compatibility Positives
Caution Points
Species Profiles
Angelfish โ Pterophyllum scalare
Elegant South American cichlids with long flowing fins. Generally peaceful but territorial when breeding and will eat very small fish.
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 Angelfish live with Keyhole Cichlid?
Yes, in a well-planned setup. Angelfish and Keyhole Cichlid can generally share an aquarium with appropriate planning. Both species prefer overlapping temperature and pH ranges. Angelfish is semi and Keyhole Cichlid is peaceful, so give them room and cover rather than assuming they will ignore each 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 Angelfish and Keyhole Cichlid together?
A minimum of 55 gallons is recommended for keeping Angelfish and Keyhole Cichlid together. A larger tank improves water stability and reduces territorial conflict.
What temperature suits both Angelfish and Keyhole Cichlid?
74โ82ยฐF โ inside Angelfish's 74โ84ยฐF and Keyhole Cichlid's 70โ82ยฐF.
Is a Angelfish aggressive toward a Keyhole Cichlid?
Angelfish is semi and Keyhole Cichlid is peaceful. No major aggression issues are expected between these species.
Related Compatibility Guides
Tank Size for Angelfish 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 | 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 | 100 gal | Best when keeping larger schools or reducing territorial pressure. |