Jewel Cichlid and Oscar Compatibility Overview
Short answer: No. Jewel Cichlid and Oscar are both aggressive. Keep them in separate tanks, or pick one of the safer tank mates listed below.
Jewel Cichlid and Oscar are generally not recommended to be housed together. Jewel Cichlid and Oscar 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 | Jewel Cichlid | Oscar | Verdict |
|---|---|---|---|
| Temperature | 72โ82ยฐF | 74โ81ยฐF | โ 74โ81ยฐF |
| pH Range | 6.0โ7.8 | 6.0โ8.0 | โ 6.0โ7.8 |
| Temperament | aggressive | aggressive | โ Risk |
| Adult Size | 5.9 in | 14 in | โ ๏ธ 2.4ร difference |
| Min. Group | 2+ | 1+ | See below |
| Min. Tank Size | 100 gallons (for both species) | โ | |
Compatibility Positives
Incompatibility Reasons
Species Profiles
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.
โ Full Jewel Cichlid care guide
Oscar โ Astronotus ocellatus
Intelligent but aggressive cichlids that will eat any fish small enough to fit in their mouth. Require large tanks (75+ gallons) and robust tank mates.
Frequently Asked Questions
Can Jewel Cichlid live with Oscar?
Generally not recommended. Jewel Cichlid and Oscar are generally not recommended to be housed together. Jewel Cichlid and Oscar 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 Jewel Cichlid and Oscar together?
A minimum of 100 gallons is recommended for keeping Jewel Cichlid and Oscar together. A larger tank improves water stability and reduces territorial conflict.
What temperature suits both Jewel Cichlid and Oscar?
74โ81ยฐF โ inside Jewel Cichlid's 72โ82ยฐF and Oscar's 74โ81ยฐF.
Is a Jewel Cichlid aggressive toward a Oscar?
Jewel Cichlid and Oscar are both aggressive; housing them together invites sustained fighting rather than an occasional squabble.
Related Compatibility Guides
Tank Size for Jewel Cichlid and Oscar
Use the scenario that matches the actual group sizes and temperament you plan to keep.
| Scenario | Tank | When it applies |
|---|---|---|
| Minimum viable | 100 gal | Only for the recommended minimum groups, mature filtration, and close monitoring. |
| Recommended community | 150 gal | Adds territory, swimming room, and a safer buffer for behavior. |
| Low-conflict setup | 180 gal | Best when keeping larger schools or reducing territorial pressure. |