Diamond Tetra and Texas Cichlid Compatibility Overview
Diamond Tetra and Texas Cichlid are generally not recommended to be housed together. The adult size gap creates a meaningful predation risk. Their pH ranges overlap only partly, so aim for the shared band and keep it steady. Review the behavior and water details before deciding whether to attempt the pairing.
| Factor | Diamond Tetra | Texas Cichlid | Verdict |
|---|---|---|---|
| Temperature | 75โ82ยฐF | 68โ82ยฐF | โ 75โ82ยฐF |
| pH Range | 5.5โ7.0 | 6.0โ7.5 | โ 6.0โ7.0 |
| Temperament | peaceful | aggressive | โ Risk |
| Adult Size | 2.4 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
Diamond Tetra โ Moenkhausia pittieri
The Diamond Tetra is a popular freshwater fish known for its vibrant colors and peaceful nature. It is well-suited for community tanks and can thrive in a variety of water conditions. With a moderate activity level and a preference for schools, this species is a great addition to any beginner or intermediate aquarist's tank.
โ Full Diamond Tetra 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 Diamond Tetra live with Texas Cichlid?
Generally not recommended. Diamond Tetra and Texas Cichlid are generally not recommended to be housed together. The adult size gap creates a meaningful predation risk. Their pH ranges overlap only partly, so aim for the shared band and keep it steady. Review the behavior and water details before deciding whether to attempt the pairing.
What tank size do I need for Diamond Tetra and Texas Cichlid together?
A minimum of 100 gallons is recommended for keeping Diamond Tetra and Texas Cichlid together. A larger tank improves water stability and reduces territorial conflict.
What temperature suits both Diamond Tetra and Texas Cichlid?
75โ82ยฐF โ inside Diamond Tetra's 75โ82ยฐF and Texas Cichlid's 68โ82ยฐF.
Is a Diamond Tetra aggressive toward a Texas Cichlid?
The adult size gap creates a meaningful predation risk.
Related Compatibility Guides
Tank Size for Diamond Tetra 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. |