Brown-banded butterflyfish
Amazing fact
The brown-banded butterflyfish tolerates colder water than other butterflyfishes.
福井県海浜自然センター
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An illustration based on the real animal.
A little discovery to share.
The brown-banded butterflyfish tolerates colder water than other butterflyfishes.
THE REAL WORLD
The real Brown-banded butterflyfish
- Scientific name
- Roa modesta
- Japanese name
- ゲンロクダイ
- Group
- Ocean animals
- Order
- Chaetodontiformes
- Family
- Chaetodontidae
- Genus
- Roa
It is also listed under the scientific name Chaetodon modestus.
It lives along the coasts of Japan from Honshu to Kyushu and in the Seto Inland Sea, and off southern Korea, Taiwan and the coast of China.
How the Brown-banded butterflyfish lives
It usually lives in deep water. It eats small crustaceans and plankton with its pointed mouth. When the water becomes cloudy, it comes up into shallower water.
福井県海浜自然センターBasic data
- Range
- The Ogasawara Islands, the southern East China Sea continental shelf, the southern Korean Peninsula, Jeju Island, Taiwan, and elsewhere
Where the Brown-banded 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
- ゲンロクダイ
- 简体中文
- 朴蝴蝶鱼
- 繁體中文
- 尖嘴蝴蝶魚
- 한국어
- 세동가리돔
- Português (Brasil)
- Peixe-borboleta-de-listras-douradas-do-Pacífico
- Italiano
- Pesce farfalla a fasce marroni
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 — ゲンロクダイChecked: 2026-11-04
- 福井県海浜自然センター — ゲンロクダイを展示しています。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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