
Regal angelfish
Pygoplites diacanthus · Pomacanthidae
Also known as Royal angelfish
Advanced
Striking striped angel; Indian Ocean specimens feed far better than Pacific ones, but still expert-only.
- Minimum tank
- 450 L
- Temperature
- 24–28 °C
- pH
- 8.1–8.4
- Adult size
- 25 cm
- Group size
- 1+
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Sign in to check my tanksReef & marine husbandry
- Specific gravity
- 1.023–1.026
- Reef safety
- Reef safe with caution
- With corals
- Picks at LPS, soft coral and clams.
- With inverts
- Eats sponges and tube worms.
- Minimum in a mixed reef
- 450 L
- Minimum fish-only (FOWLR)
- 450 L
- Aggression
- Shy; loses feeding contests.
- Feeding
- Three or more small feeds daily.
Care requirements
- Minimum tank volume
- 450 L
- Temperature
- 24–28 °C
- pH
- 8.1–8.4
- Hardness
- 8–12 dGH
- Lifespan
- 10–15 years
- Diet
- Omnivore — sponge-based angel formula, live sponge, mysis, nori.
- Care level
- Advanced
Origin & habitat
- Native region
- Indian Ocean, Red Sea and Indo-Pacific
- Water type
- Saltwater
- Biotope
- Sponge-rich coral reef caves
- Natural conditions
- Mature, quiet, pristine reef.
Behaviour & stocking
- Temperament
- Peaceful
- Minimum group
- 1 fish
- Swims
- All levels
- Good tank mates
- Peaceful tangsWrassesCardinalfish
- Avoid
- Aggressive tank matesNewly set-up tanks
Breeding & difficulty
- Breeding difficulty
- Advanced
- Sexing
- No external difference.
- Notes
- Not bred in captivity.
- Common ailments
- StarvationMarine ichInternal parasites