Black Ruby Barb and Texas Cichlid Compatibility Overview
Black Ruby Barb and Texas Cichlid are generally not recommended to be housed together. The adult size gap creates a meaningful predation risk. Black Ruby Barb is peaceful and Texas Cichlid is aggressive. 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 | Black Ruby Barb | Texas Cichlid | Verdict |
|---|---|---|---|
| Temperature | 68โ81ยฐF | 68โ82ยฐF | โ 68โ81ยฐF |
| pH Range | 5.5โ7.5 | 6.0โ7.5 | โ 6.0โ7.5 |
| Temperament | peaceful | aggressive | โ Risk |
| Adult Size | 2.2 in | 11.8 in | โ 5ร difference |
| Min. Group | 6+ | 1+ | 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
Texas Cichlid โ Herichthys cyanoguttatus
The Texas Cichlid, known for its vibrant green and blue colors, is a striking addition to the freshwater aquarium. With a lifespan of up to 6 years, these fish are a popular choice among beginners and experienced aquarists alike. However, they are highly aggressive towards their own species and should be kept with non-aggressive tankmates.
Frequently Asked Questions
Can Black Ruby Barb live with Texas Cichlid?
Generally not recommended. Black Ruby Barb and Texas Cichlid are generally not recommended to be housed together. The adult size gap creates a meaningful predation risk. Black Ruby Barb is peaceful and Texas Cichlid is aggressive. 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 Black Ruby Barb and Texas Cichlid together?
A minimum of 100 gallons is recommended for keeping Black Ruby Barb and Texas Cichlid together. A larger tank improves water stability and reduces territorial conflict.
What temperature suits both Black Ruby Barb and Texas Cichlid?
68โ81ยฐF โ inside Black Ruby Barb's 68โ81ยฐF and Texas Cichlid's 68โ82ยฐF.
Is a Black Ruby Barb aggressive toward a Texas Cichlid?
The adult size gap creates a meaningful predation risk.
Related Compatibility Guides
Tank Size for Black Ruby Barb and Texas Cichlid
Use the scenario that matches the actual group sizes and temperament you plan to keep.
| Scenario | Tank | When it applies |
|---|---|---|
| Minimum viable | 125 gal | Only for the recommended minimum groups, mature filtration, and close monitoring. |
| Recommended community | 180 gal | Adds territory, swimming room, and a safer buffer for behavior. |
| Low-conflict setup | 300 gal | Best when keeping larger schools or reducing territorial pressure. |