Fire Eel and Keyhole Cichlid Compatibility Overview
Fire Eel and Keyhole Cichlid are generally not recommended to be housed together. The adult size gap creates a meaningful predation risk. Review the behavior and water details before deciding whether to attempt the pairing.
| Factor | Fire Eel | Keyhole Cichlid | Verdict |
|---|---|---|---|
| Temperature | 75โ82ยฐF | 70โ82ยฐF | โ 75โ82ยฐF |
| pH Range | 6.0โ7.0 | 4.0โ7.5 | โ 6.0โ7.0 |
| Temperament | semi | peaceful | โ ๏ธ Monitor |
| Adult Size | 39.4 in | 4.3 in | โ 9ร difference |
| Min. Group | 1+ | 2+ | See below |
| Min. Tank Size | 100 gallons (for both species) | โ | |
Compatibility Positives
Incompatibility Reasons
Species Profiles
Fire Eel โ Mastacembelus erythrotaenia
The Fire Eel is a stunning, red-bottomed species that requires a spacious tank. They are peaceful bottom feeders and do best in a well-planted, mature aquarium. With a moderate activity level, they can be a great addition to a community tank, but their size and diet may be incompatible with smaller 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 Fire Eel live with Keyhole Cichlid?
Generally not recommended. Fire Eel and Keyhole Cichlid are generally not recommended to be housed together. The adult size gap creates a meaningful predation risk. Review the behavior and water details before deciding whether to attempt the pairing.
What tank size do I need for Fire Eel and Keyhole Cichlid together?
A minimum of 100 gallons is recommended for keeping Fire Eel and Keyhole Cichlid together. A larger tank improves water stability and reduces territorial conflict.
What temperature suits both Fire Eel and Keyhole Cichlid?
75โ82ยฐF โ inside Fire Eel's 75โ82ยฐF and Keyhole Cichlid's 70โ82ยฐF.
Is a Fire Eel aggressive toward a Keyhole Cichlid?
The adult size gap creates a meaningful predation risk.
Related Compatibility Guides
Tank Size for Fire Eel 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 | 114 gal | Only for the recommended minimum groups, mature filtration, and close monitoring. |
| Recommended community | 180 gal | Adds territory, swimming room, and a safer buffer for behavior. |
| Low-conflict setup | 220 gal | Best when keeping larger schools or reducing territorial pressure. |