Black Ruby Barb and Frontosa Cichlid Compatibility Overview
Black Ruby Barb and Frontosa Cichlid are generally not recommended to be housed together. The adult size gap creates a meaningful predation risk. Their pH ranges do not meet: Black Ruby Barb wants 5.5โ7.5 and Frontosa Cichlid wants 8.0โ9.0. Review the behavior and water details before deciding whether to attempt the pairing.
| Factor | Black Ruby Barb | Frontosa Cichlid | Verdict |
|---|---|---|---|
| Temperature | 68โ81ยฐF | 73โ81ยฐF | โ 73โ81ยฐF |
| pH Range | 5.5โ7.5 | 8.0โ9.0 | โ No overlap |
| Temperament | peaceful | semi | โ ๏ธ Monitor |
| Adult Size | 2.2 in | 10.0 in | โ 5ร difference |
| Min. Group | 6+ | 5+ | See below |
| Min. Tank Size | 100 gallons (for both species) | โ | |
Compatibility Positives
Incompatibility Reasons
Species Profiles
Black Ruby Barb โ Pethia nigrofasciata
The Black Ruby Barb is a vibrant, active species suitable for beginners. It requires a spacious tank and a school of its own kind to thrive. Its striking colors and lively nature make it a popular choice.
โ Full Black Ruby Barb care guide
Frontosa Cichlid โ Cyphotilapia frontosa
The Frontosa Cichlid is a popular aquarium fish known for its vibrant colors and peaceful demeanor. They are suitable for beginners and can thrive in a well-maintained community tank. Providing ample space and avoiding overcrowding is essential for their well-being.
Frequently Asked Questions
Can Black Ruby Barb live with Frontosa Cichlid?
Generally not recommended. Black Ruby Barb and Frontosa Cichlid are generally not recommended to be housed together. The adult size gap creates a meaningful predation risk. Their pH ranges do not meet: Black Ruby Barb wants 5.5โ7.5 and Frontosa Cichlid wants 8.0โ9.0. Review the behavior and water details before deciding whether to attempt the pairing.
What tank size do I need for Black Ruby Barb and Frontosa Cichlid together?
A minimum of 100 gallons is recommended for keeping Black Ruby Barb and Frontosa Cichlid together. A larger tank improves water stability and reduces territorial conflict.
What temperature suits both Black Ruby Barb and Frontosa Cichlid?
73โ81ยฐF โ inside Black Ruby Barb's 68โ81ยฐF and Frontosa Cichlid's 73โ81ยฐF.
Is a Black Ruby Barb aggressive toward a Frontosa Cichlid?
The adult size gap creates a meaningful predation risk.
Related Compatibility Guides
Tank Size for Black Ruby Barb and Frontosa Cichlid
Use the scenario that matches the actual group sizes and temperament you plan to keep.
| Scenario | Tank | When it applies |
|---|---|---|
| Minimum viable | 228 gal | Only for the recommended minimum groups, mature filtration, and close monitoring. |
| Recommended community | 350 gal | Adds territory, swimming room, and a safer buffer for behavior. |
| Low-conflict setup | 450 gal | Best when keeping larger schools or reducing territorial pressure. |