
Surgeonfish, Angelfish, and Butterflyfish
Gray Angelfish
Pomacanthus arcuatus
Photo: Zygy · CC0 · Wikimedia Commons
Key facts
- Temperature23–27 °C
- pH8.1–8.4
- Minimum tank1000 l
- Adult size50 cm
- Difficulty★★☆☆☆
- TemperamentSemi-aggressive
- WaterMarine
- Reef safeNo
Full profile
- Family
- Pomacanthidae
- Origin
- Tropical Western Atlantic
- Size
- 50 cm
- Temperature
- 23 – 27°C
- pH
- 8.1 – 8.4
- Salinity
- 1.023 – 1.025
- Difficulty
- ★★☆☆☆
- Water type
- marine
- Swimming level
- medium
- Behavior
- semi-aggressive
- Minimum number of individuals
- 1
- Minimum aquarium size
- 1000 L
- Diet
- omnivore
- Reproduction
- oviparous
- Reef Safe
- ❌ No
Notes: Known as the gray angelfish: juveniles are black with yellow bands. Very long-lived and large.





