Flame Angelfish and Rainbow Shark Compatibility Overview
Flame Angelfish and Rainbow Shark 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: Flame Angelfish wants 8.1โ8.4 and Rainbow Shark wants 6.5โ7.5. Review the behavior and water details before deciding whether to attempt the pairing.
| Factor | Flame Angelfish | Rainbow Shark | Verdict |
|---|---|---|---|
| Temperature | 72โ82ยฐF | 72โ79ยฐF | โ 72โ79ยฐF |
| pH Range | 8.1โ8.4 | 6.5โ7.5 | โ No overlap |
| Temperament | semi | semi | โ ๏ธ Monitor |
| Adult Size | 4.0 in | 6 in | โ Similar |
| Min. Group | 1+ | 1+ | See below |
| Min. Tank Size | 55 gallons (for both species) | โ | |
Compatibility Positives
Incompatibility Reasons
Species Profiles
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.
โ Full Flame Angelfish care guide
Rainbow Shark โ Epalzeorhynchos frenatum
Active bottom dweller that becomes territorial at maturity. One per tank; avoid other shark-like or bottom-dwelling species.
Frequently Asked Questions
Can Flame Angelfish live with Rainbow Shark?
Generally not recommended. Flame Angelfish and Rainbow Shark 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: Flame Angelfish wants 8.1โ8.4 and Rainbow Shark wants 6.5โ7.5. Review the behavior and water details before deciding whether to attempt the pairing.
What tank size do I need for Flame Angelfish and Rainbow Shark together?
A minimum of 55 gallons is recommended for keeping Flame Angelfish and Rainbow Shark together. A larger tank improves water stability and reduces territorial conflict.
What temperature suits both Flame Angelfish and Rainbow Shark?
72โ79ยฐF โ inside Flame Angelfish's 72โ82ยฐF and Rainbow Shark's 72โ79ยฐF.
Is a Flame Angelfish aggressive toward a Rainbow Shark?
Flame Angelfish is semi and Rainbow Shark is semi. No major aggression issues are expected between these species.
Related Compatibility Guides
Tank Size for Flame Angelfish and Rainbow Shark
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 | 100 gal | Best when keeping larger schools or reducing territorial pressure. |