Diamond Tetra and Flame Angelfish Compatibility Overview
Diamond Tetra and Flame Angelfish 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: Diamond Tetra wants 5.5โ7.0 and Flame Angelfish wants 8.1โ8.4. Review the behavior and water details before deciding whether to attempt the pairing.
| Factor | Diamond Tetra | Flame Angelfish | Verdict |
|---|---|---|---|
| Temperature | 75โ82ยฐF | 72โ82ยฐF | โ 75โ82ยฐF |
| pH Range | 5.5โ7.0 | 8.1โ8.4 | โ No overlap |
| Temperament | peaceful | semi | โ ๏ธ Monitor |
| Adult Size | 2.4 in | 4.0 in | โ Similar |
| Min. Group | 6+ | 1+ | See below |
| Min. Tank Size | 55 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
Flame Angelfish โ Centropyge loricula
The Flame Angelfish is a popular choice for saltwater aquariums due to its vibrant coloration and peaceful nature. It requires a spacious tank with plenty of swimming space and a stable water environment. With proper care, it can thrive in a community tank with compatible species.
Frequently Asked Questions
Can Diamond Tetra live with Flame Angelfish?
Generally not recommended. Diamond Tetra and Flame Angelfish 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: Diamond Tetra wants 5.5โ7.0 and Flame Angelfish wants 8.1โ8.4. Review the behavior and water details before deciding whether to attempt the pairing.
What tank size do I need for Diamond Tetra and Flame Angelfish together?
A minimum of 55 gallons is recommended for keeping Diamond Tetra and Flame Angelfish together. A larger tank improves water stability and reduces territorial conflict.
What temperature suits both Diamond Tetra and Flame Angelfish?
75โ82ยฐF โ inside Diamond Tetra's 75โ82ยฐF and Flame Angelfish's 72โ82ยฐF.
Is a Diamond Tetra aggressive toward a Flame Angelfish?
Diamond Tetra is peaceful and Flame Angelfish is semi. No major aggression issues are expected between these species.
Related Compatibility Guides
Tank Size for Diamond Tetra and Flame Angelfish
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 | 125 gal | Best when keeping larger schools or reducing territorial pressure. |