Clown Knifefish and Jewel Cichlid Compatibility Overview
Clown Knifefish and Jewel Cichlid are generally not recommended to be housed together. The adult size gap creates a meaningful predation risk. Clown Knifefish and Jewel Cichlid are both aggressive; housing them together invites sustained fighting rather than an occasional squabble. Review the behavior and water details before deciding whether to attempt the pairing.
| Factor | Clown Knifefish | Jewel Cichlid | Verdict |
|---|---|---|---|
| Temperature | 68โ82ยฐF | 72โ82ยฐF | โ 72โ82ยฐF |
| pH Range | 6.0โ8.0 | 6.0โ7.8 | โ 6.0โ7.8 |
| Temperament | aggressive | aggressive | โ Risk |
| Adult Size | 39.4 in | 5.9 in | โ 7ร difference |
| Min. Group | 1+ | 2+ | See below |
| Min. Tank Size | 100 gallons (for both species) | โ | |
Compatibility Positives
Incompatibility Reasons
Species Profiles
Clown Knifefish โ Chitala ornata
The Clown Knifefish is a unique and visually striking species known for its slender body and distinctive coloration. It is a solitary fish that requires a spacious tank to thrive. With a moderate activity level and low aggression, it can be a suitable addition to a community tank with similarly peaceful species.
โ Full Clown Knifefish care guide
Jewel Cichlid โ Hemichromis bimaculatus
The Jewel Cichlid, Hemichromis bimaculatus, is a vibrant and territorial fish popular in the aquarium trade. They require a spacious tank with hiding spots and can be moderately aggressive. With proper care, they can be a rewarding addition to the home aquarium.
Frequently Asked Questions
Can Clown Knifefish live with Jewel Cichlid?
Generally not recommended. Clown Knifefish and Jewel Cichlid are generally not recommended to be housed together. The adult size gap creates a meaningful predation risk. Clown Knifefish and Jewel Cichlid are both aggressive; housing them together invites sustained fighting rather than an occasional squabble. Review the behavior and water details before deciding whether to attempt the pairing.
What tank size do I need for Clown Knifefish and Jewel Cichlid together?
A minimum of 100 gallons is recommended for keeping Clown Knifefish and Jewel Cichlid together. A larger tank improves water stability and reduces territorial conflict.
What temperature suits both Clown Knifefish and Jewel Cichlid?
72โ82ยฐF โ inside Clown Knifefish's 68โ82ยฐF and Jewel Cichlid's 72โ82ยฐF.
Is a Clown Knifefish aggressive toward a Jewel Cichlid?
The adult size gap creates a meaningful predation risk.
Related Compatibility Guides
Tank Size for Clown Knifefish and Jewel Cichlid
Use the scenario that matches the actual group sizes and temperament you plan to keep.
| Scenario | Tank | When it applies |
|---|---|---|
| Minimum viable | 300 gal | Only for the recommended minimum groups, mature filtration, and close monitoring. |
| Recommended community | 450 gal | Adds territory, swimming room, and a safer buffer for behavior. |
| Low-conflict setup | 550 gal | Best when keeping larger schools or reducing territorial pressure. |