Jewel Cichlid and Watchman Goby Compatibility Overview
Jewel Cichlid and Watchman Goby are generally not recommended to be housed together. One of these is a marine species and the other is not; they cannot share one aquarium. Their pH ranges do not meet: Jewel Cichlid wants 6.0โ7.8 and Watchman Goby wants 8.1โ8.4. Review the behavior and water details before deciding whether to attempt the pairing.
| Factor | Jewel Cichlid | Watchman Goby | Verdict |
|---|---|---|---|
| Temperature | 72โ82ยฐF | 72โ82ยฐF | โ 72โ82ยฐF |
| pH Range | 6.0โ7.8 | 8.1โ8.4 | โ No overlap |
| Temperament | aggressive | peaceful | โ Risk |
| Adult Size | 5.9 in | 4.0 in | โ Similar |
| Min. Group | 2+ | 1+ | See below |
| Min. Tank Size | 55 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
Watchman Goby โ Cryptocentrus cinctus
The Watchman Goby is a peaceful and colorful addition to the marine aquarium. It is known for its slender body and distinctive yellow and dark spot pattern. These gobies are often found in pairs or small groups and require a well-maintained saltwater tank with plenty of hiding spots. With proper care, they can thrive for several years.
Frequently Asked Questions
Can Jewel Cichlid live with Watchman Goby?
Generally not recommended. Jewel Cichlid and Watchman Goby are generally not recommended to be housed together. One of these is a marine species and the other is not; they cannot share one aquarium. Their pH ranges do not meet: Jewel Cichlid wants 6.0โ7.8 and Watchman Goby wants 8.1โ8.4. Review the behavior and water details before deciding whether to attempt the pairing.
What tank size do I need for Jewel Cichlid and Watchman Goby together?
A minimum of 55 gallons is recommended for keeping Jewel Cichlid and Watchman Goby together. A larger tank improves water stability and reduces territorial conflict.
What temperature suits both Jewel Cichlid and Watchman Goby?
72โ82ยฐF โ inside Jewel Cichlid's 72โ82ยฐF and Watchman Goby's 72โ82ยฐF.
Is a Jewel Cichlid aggressive toward a Watchman Goby?
Jewel Cichlid is aggressive and Watchman Goby 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 Watchman Goby
Use the scenario that matches the actual group sizes and temperament you plan to keep.
| Scenario | Tank | When it applies |
|---|---|---|
| Minimum viable | 55 gal | Only for the recommended minimum groups, mature filtration, and close monitoring. |
| Recommended community | 75 gal | Adds territory, swimming room, and a safer buffer for behavior. |
| Low-conflict setup | 100 gal | Best when keeping larger schools or reducing territorial pressure. |