
Source: Wikimedia Commons
Pygoplites diacanthus
A magnificent angelfish with blue-edged white bars angled across an orange body. Up to 25cm, ranging from the Red Sea across the Indo-Pacific. Hard to get feeding and needs a large tank, so an expert-level species.
The Regal Angelfish (Pygoplites diacanthus) is a mid-sized angelfish of the family Pomacanthidae found across the Indo-Pacific from the Red Sea and East Africa to the Tuamotu Islands, north to the Ryukyu and Ogasawara Islands and south to the Great Barrier Reef and New Caledonia. It reaches 25cm standard length. Blue-edged white bars angle backward across an orange body; the rear dorsal fin is black or blue with close-set blue dots and the anal fin carries alternating yellow and blue bands. Red Sea and Maldives fish have a yellow breast while Pacific fish are blue-grey there. Juveniles carry a large dark spot at the base of the soft dorsal fin that fades with age. It inhabits coral-rich lagoons, reefs and cave surroundings from 0-110m, feeding on sponges and tunicates. In captivity it is hard to get feeding: choose a healthy specimen and offer fresh shrimp, chopped seafood, sponge-based angelfish preparations and spirulina-based herbivore foods. Provide 475L or more with plenty of live rock and hiding places, and introduce it first so it can claim territory. Avoid aggressive tank mates, and note that it may nip LPS corals and clams.
Source: Wikipedia (CC BY-SA 4.0)
The Regal Angelfish grows to Up to about 25cm SL.
The ideal temperature for the Regal Angelfish is 22〜26℃.
Origin
Indo-Pacific (Red Sea and East Africa to the Tuamotu Islands, Ryukyu and Ogasawara Islands to the Great Barrier Reef)
Size
Up to about 25cm SL
Sources: LiveAquaria / FishBase
Edited & verified by: BreederDirect editorial team
The taxonomic, regulatory, and husbandry data on this page are compiled and verified against the authoritative primary sources below.
Sources: CITES Appendices (species not listed) / IUCN Red List
Regulations may change. Always verify the latest information with the relevant authorities.
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Temperature
22〜26℃
Fresh shrimp and chopped seafood, sponge-based angelfish preparations, spirulina and marine algae
Getting it feeding is the main hurdle. Choose a robust specimen and introduce it first into a quiet tank so it can establish territory.
475L or larger with plenty of live rock and hiding places.
22-26C, pH 8.1-8.4, SG 1.020-1.025.
Entice with fresh shrimp and chopped seafood, then combine sponge-based angelfish foods with spirulina-based herbivore foods.
Do not house with aggressive fish such as large angels, triggers or puffers. May nip LPS corals and clams.
Advanced. This is an advanced-level species. It requires specialized equipment and advanced husbandry skills with precise environmental control.
The ideal temperature for Regal Angelfish is 22〜26℃. Avoid sudden temperature changes and maintain a stable environment.
Regal Angelfish typically reaches Up to about 25cm SL as an adult. Size may vary depending on care conditions and individual genetics.
Regal Angelfish feeds on: Fresh shrimp and chopped seafood, sponge-based angelfish preparations, spirulina and marine algae. Aim for a balanced diet with appropriate feeding frequency.
The price of Regal Angelfish varies significantly depending on morph, size, and lineage. Check our market price page for the latest pricing information.
Last updated: September 15, 2026