Brown surgeonfish
Amazing fact
The brown surgeonfish has black spots near the base of its tail, by the dorsal and anal fins.
新潟市水族館 マリンピア日本海
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An illustration based on the real animal.
A little discovery to share.
The brown surgeonfish has black spots near the base of its tail, by the dorsal and anal fins.
THE REAL WORLD
The real Brown surgeonfish
- Scientific name
- Acanthurus nigrofuscus
- Japanese name
- ナガニザ
- Group
- Ocean animals
- Order
- Perciformes
- Family
- Acanthuridae
- Genus
- Acanthurus
It lives from the Izu Islands and Kanagawa to the Ryukyu Islands, Taiwan, Hong Kong, and the Indian and Pacific Oceans.
How the Brown surgeonfish lives
It gathers in groups around shallow rocky reefs, coral reef slopes and reef lagoons. Young fish also visit shallow waters along southern Japan’s Pacific coast seasonally.
粟国村Basic data
- Range
- Indo-Pacific, and elsewhere
Where the Brown surgeonfish 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
- ナガニザ
- 简体中文
- 褐斑刺尾鱼
- 繁體中文
- 褐斑刺尾魚
- 한국어
- 흑갈양쥐돔
- Español
- Pez cirujano
- Français
- Chirurgien Brun
- Deutsch
- Goldtupfen-Doktorfisch
- Português (Brasil)
- Cirurgião castanho
- Italiano
- Pesce chirurgo guance maculate
- العربية
- Juneh
- Bahasa Indonesia
- Botana gandaria
- Русский
- Бурый хирург
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 — ナガニザChecked: 2026-11-04
- 新潟市水族館 マリンピア日本海 — ナガニザChecked: 2026-11-07
- 粟国村 — ナガニザ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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