Jewel Cichlid and Molly Compatibility Overview
Jewel Cichlid and Molly can potentially coexist, but the combination requires careful attention. Their usable pH overlap is narrow and requires stable, tested water. Jewel Cichlid is aggressive and Molly is peaceful. Expect chasing and fin damage unless the tank is oversized, heavily planted, and watched closely. A larger tank (minimum 75 gallons), dense planting, and close monitoring are essential.
| Factor | Jewel Cichlid | Molly | Verdict |
|---|---|---|---|
| Temperature | 72โ82ยฐF | 72โ82ยฐF | โ 72โ82ยฐF |
| pH Range | 6.0โ7.8 | 7.5โ8.5 | โ ๏ธ 7.5โ7.8 (narrow) |
| Temperament | aggressive | peaceful | โ Risk |
| Adult Size | 5.9 in | 4 in | โ Similar |
| Min. Group | 2+ | 3+ | See below |
| Min. Tank Size | 75 gallons (for both species) | โ | |
Compatibility Positives
Caution Points
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
Molly โ Poecilia sphenops
Hardy livebearers that prefer alkaline, hard water โ sometimes slightly brackish. Prolific breeders; peaceful community fish.
Frequently Asked Questions
Can Jewel Cichlid live with Molly?
With significant caution and a larger tank. Jewel Cichlid and Molly can potentially coexist, but the combination requires careful attention. Their usable pH overlap is narrow and requires stable, tested water. Jewel Cichlid is aggressive and Molly is peaceful. Expect chasing and fin damage unless the tank is oversized, heavily planted, and watched closely. A larger tank (minimum 75 gallons), dense planting, and close monitoring are essential.
What tank size do I need for Jewel Cichlid and Molly together?
A minimum of 75 gallons is recommended for keeping Jewel Cichlid and Molly together. A larger tank improves water stability and reduces territorial conflict.
What temperature suits both Jewel Cichlid and Molly?
72โ82ยฐF โ inside Jewel Cichlid's 72โ82ยฐF and Molly's 72โ82ยฐF.
Is a Jewel Cichlid aggressive toward a Molly?
Jewel Cichlid is aggressive and Molly is peaceful. Expect chasing and fin damage unless the tank is oversized, heavily planted, and watched closely.
Related Compatibility Guides
Tank Size for Jewel Cichlid and Molly
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. |