Keyhole Cichlid and Lemon Tetra Compatibility Overview
Keyhole Cichlid and Lemon 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 75-gallon tank is recommended to provide adequate territory and water volume for both species.
| Factor | Keyhole Cichlid | Lemon Tetra | Verdict |
|---|---|---|---|
| Temperature | 70โ82ยฐF | 68โ82ยฐF | โ 70โ82ยฐF |
| pH Range | 4.0โ7.5 | 5.0โ7.5 | โ 5.0โ7.5 |
| Temperament | peaceful | peaceful | โ Compatible |
| Adult Size | 4.3 in | 1.6 in | โ ๏ธ 2.7ร difference |
| Min. Group | 2+ | 8+ | See below |
| Min. Tank Size | 75 gallons (for both species) | โ | |
Compatibility Positives
Caution Points
Species Profiles
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.
โ Full Keyhole Cichlid care guide
Lemon Tetra โ Hyphessobrycon pulchripinnis
The Lemon Tetra is a vibrant, peaceful addition to freshwater tanks. Known for its striking yellow and red colors, it is well-suited for community tanks. They are active swimmers and thrive in groups. Maintaining stable water conditions is key to their health.
Frequently Asked Questions
Can Keyhole Cichlid live with Lemon Tetra?
Yes, in a well-planned setup. Keyhole Cichlid and Lemon 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 75-gallon tank is recommended to provide adequate territory and water volume for both species.
What tank size do I need for Keyhole Cichlid and Lemon Tetra together?
A minimum of 75 gallons is recommended for keeping Keyhole Cichlid and Lemon Tetra together. A larger tank improves water stability and reduces territorial conflict.
What temperature suits both Keyhole Cichlid and Lemon Tetra?
70โ82ยฐF โ inside Keyhole Cichlid's 70โ82ยฐF and Lemon Tetra's 68โ82ยฐF.
Is a Keyhole Cichlid aggressive toward a Lemon Tetra?
Keyhole Cichlid is peaceful and Lemon Tetra is peaceful. No major aggression issues are expected between these species.
Related Compatibility Guides
Tank Size for Keyhole Cichlid and Lemon Tetra
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. |