Rusty angelfish
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An illustration based on the real animal.
A little discovery to share.
The rusty angelfish often follows other fish that are close to its own size.
THE REAL WORLD
The real Rusty angelfish
- Scientific name
- Centropyge ferrugata
- Japanese name
- アカハラヤッコ
- Group
- Ocean animals
- Order
- Perciformes
- Family
- Pomacanthidae
- Genus
- Centropyge
A fish of southern Japanese waters, such as around Hachijojima and the Ryukyu Islands, and of Taiwan and the Philippines.
It is called by its Japanese name, meaning “red belly,” because of the red color of its belly side.
How the Rusty angelfish lives
During the breeding season, both males and females spend much of the daytime feeding. It pecks at the seabed, feeding mainly on algae and bits of organic material that have settled there. During the breeding season, females feed more frequently than males.
日本魚類学会Basic data
- Range
- Ogasawara Islands, Ryukyu Islands, Taiwan, Philippine Islands, and elsewhere
Where the Rusty 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
- アカハラヤッコ
- 简体中文
- 铁红刺尻鱼
- 繁體中文
- 鏽紅刺尻魚
- Español
- Ángel oxidado
- Français
- Poisson-ange nain rouille
- Deutsch
- Rostbrauner Zwergkaiserfisch
- Português (Brasil)
- Peixe-anjo-ferrugem
- Italiano
- Pesce angelo ossidato
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 — アカハラヤッコChecked: 2026-11-04
- 日本魚類学会 — アカハラヤッコの摂食生態と随伴行動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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