Pacific double-saddle butterflyfish
Amazing fact
The Pacific double-saddle butterflyfish has a bright yellow rear and a black spot at the base of its tail.
Reef Environmental Education Foundation
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An illustration based on the real animal.
A little discovery to share.
The Pacific double-saddle butterflyfish has a bright yellow rear and a black spot at the base of its tail.
THE REAL WORLD
The real Pacific double-saddle butterflyfish
- Scientific name
- Chaetodon ulietensis
- Japanese name
- スダレチョウチョウウオ
- Group
- Ocean animals
- Order
- Chaetodontiformes
- Family
- Chaetodontidae
- Genus
- Chaetodon
A fish that lives from the southern islands and Pacific coasts of Japan across the eastern Indian Ocean and the Pacific.
How the Pacific double-saddle butterflyfish lives
It lives on coral reefs. It eats small animals on the seabed and algae growing on surfaces.
新潟市水族館 マリンピア日本海Basic data
- Range
- Ogasawara Islands, Ryukyu Islands, Taiwan, eastern Indian Ocean to Pacific, and elsewhere
Where the Pacific double-saddle butterflyfish 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
- スダレチョウチョウウオ
- 简体中文
- 乌利蝴蝶鱼
- 繁體中文
- 烏利蝴蝶魚
- Português (Brasil)
- Peixe-borboleta-de-sela-dupla-do-Pacífico
- Italiano
- Pesce farfalla dalle due selle
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 — スダレチョウチョウウオChecked: 2026-11-04
- 新潟市水族館 マリンピア日本海 — スダレチョウチョウウオChecked: 2026-11-07
- Reef Environmental Education Foundation — Pacific Double-saddle ButterflyfishChecked: 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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