---
title: "Regal Angelfish"
description: "Pygoplites diacanthus — Fish. The royal angelfish (Pygoplites diacanthus), or regal angelfish, is a species of marine ray-finned fish, a marine angelfish belonging to the family Pomacanthidae, and the monotypic genus Pygoplites."
canonical: https://animalchecklist.com/animal/regal-angelfish
last_updated: 2026-09-20
---

# Regal Angelfish

> Pygoplites diacanthus — Fish. The royal angelfish (Pygoplites diacanthus), or regal angelfish, is a species of marine ray-finned fish, a marine angelfish belonging to the family Pomacanthidae, and the monotypic genus Pygoplites.

- Scientific name: *Pygoplites diacanthus*
- Category: `fish` (Fish)
- Habitats: `sea` (Sea & coast)
- iNaturalist observations: 3897
- Wikidata: [Q1759426](https://www.wikidata.org/wiki/Q1759426)
- iNaturalist taxon: [111389](https://www.inaturalist.org/taxa/111389)

## Names

- en: Regal Angelfish
- de: Pfauenaugen-Kaiserfisch
- es: Pez ángel real
- fr: Poisson-ange duc
- nl: Pauwoogkeizersvis

## Countries with the most observations

EG (796), ID (663), PH (274), MV (254), FJ (224), PF (155), PW (76), MY (67), TW (55), SB (50), PG (45), VU (45)

## Summary

The royal angelfish (Pygoplites diacanthus), or regal angelfish, is a species of marine ray-finned fish, a marine angelfish belonging to the family Pomacanthidae, and the monotypic genus Pygoplites.  It is found in tropical Indo-Pacific oceans. It can grow as long as 25 cm (9.8 in).

Text: Wikipedia (en), CC BY-SA 4.0 — https://en.wikipedia.org/wiki/Royal_angelfish

## Photo

![Regal Angelfish](https://animalchecklist.com/img/animals/regal-angelfish/medium.jpg)

Photo: Andrew Deacon · CC0 · inaturalist — https://www.inaturalist.org/observations/310374894

## Machine access

`GET https://animalchecklist.com/api/v1/animals/regal-angelfish?lang=en` — see [openapi.json](https://animalchecklist.com/openapi.json).
