Jewel Cichlid and Otocinclus Compatibility Overview
Jewel Cichlid and Otocinclus are generally not recommended to be housed together. The adult size gap creates a meaningful predation risk. Jewel Cichlid is aggressive and Otocinclus is peaceful. Expect chasing and fin damage unless the tank is oversized, heavily planted, and watched closely. Review the behavior and water details before deciding whether to attempt the pairing.
| Factor | Jewel Cichlid | Otocinclus | Verdict |
|---|---|---|---|
| Temperature | 72โ82ยฐF | 72โ82ยฐF | โ 72โ82ยฐF |
| pH Range | 6.0โ7.8 | 6.0โ7.5 | โ 6.0โ7.5 |
| Temperament | aggressive | peaceful | โ Risk |
| Adult Size | 5.9 in | 1.5 in | โ ๏ธ 3.9ร difference |
| Min. Group | 2+ | 4+ | See below |
| Min. Tank Size | 75 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
Otocinclus โ Otocinclus spp.
Tiny algae-eating catfish that are peaceful with all species. Need established algae growth and biofilm; sensitive to ammonia.
Frequently Asked Questions
Can Jewel Cichlid live with Otocinclus?
Generally not recommended. Jewel Cichlid and Otocinclus are generally not recommended to be housed together. The adult size gap creates a meaningful predation risk. Jewel Cichlid is aggressive and Otocinclus is peaceful. Expect chasing and fin damage unless the tank is oversized, heavily planted, and watched closely. Review the behavior and water details before deciding whether to attempt the pairing.
What tank size do I need for Jewel Cichlid and Otocinclus together?
A minimum of 75 gallons is recommended for keeping Jewel Cichlid and Otocinclus together. A larger tank improves water stability and reduces territorial conflict.
What temperature suits both Jewel Cichlid and Otocinclus?
72โ82ยฐF โ inside Jewel Cichlid's 72โ82ยฐF and Otocinclus's 72โ82ยฐF.
Is a Jewel Cichlid aggressive toward a Otocinclus?
The adult size gap creates a meaningful predation risk.
Related Compatibility Guides
Tank Size for Jewel Cichlid and Otocinclus
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. |