Semicircle angelfish
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An illustration based on the real animal.
A little discovery to share.
The semicircle angelfish has a vivid blue ring around its eye.
THE REAL WORLD
The real Semicircle angelfish
- Scientific name
- Pomacanthus semicirculatus
- Japanese name
- サザナミヤッコ
- Group
- Ocean animals
- Order
- Perciformes
- Family
- Pomacanthidae
- Genus
- Pomacanthus
Where the name “Semicircle angelfish” comes from
Its Japanese name comes from likening the young fish’s pattern to ripples.
沖縄美ら海水族館It lives from Japan's Pacific coast and the Ryukyus to Taiwan and the Indo-West Pacific.
How the Semicircle angelfish lives
It lives on coral reefs and in coastal waters.
Australian MuseumBasic data
- Range
- Izu Islands, Ogasawara Islands, Yakushima, Ryukyu Islands, Taiwan, the Indo-West Pacific, and elsewhere
Where the Semicircle angelfish has been recorded
Records: GBIF.org (CC0 and CC BY 4.0 records, retrieved 2026-11-07). Map: Natural EarthSee the records on GBIF
Watch wild animals from a distance. Do not touch or feed them, and take care of the places where they live.
Names around the world
- 日本語
- サザナミヤッコ
- 简体中文
- 叠波刺盖鱼
- 繁體中文
- 疊波蓋刺魚
- Español
- Pez ángel Koran
- Français
- Chirurgien tabac
- Deutsch
- Koran-Kaiserfisch
- Português (Brasil)
- Peixe-anjo-semicírculo
- Italiano
- Pesce angelo semicerchio
- Bahasa Indonesia
- Kambing-kambing ungu
- Русский
- Полукруглый ангел
Names come from Wikidata and iNaturalist records. Where a language has no recorded name, we use the scientific name.
Sources and how we check
- 鳥羽水族館 — サザナミヤッコChecked: 2026-11-04
- 沖縄美ら海水族館 — サザナミヤッコChecked: 2026-11-07
- Australian Museum — Blue Angelfish, Pomacanthus semicirculatus (Cuvier, 1831)Checked: 2026-11-07
We check each fact against its source. The illustrations simplify how the real animal looks.
The classification (class, order, family, genus) follows Wikidata records, checked against GBIF. Classifications can change as research goes on.
The basic data are the values given in each source. They vary with how the animal is measured, whether it is male or female, and whether it lives in the wild or in captivity.
This page was translated from the original Japanese with the help of AI.
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