Orange-lined triggerfish
Amazing fact
Orange-lined triggerfish wedge themselves into reef crevices using a dorsal fin spine and their pelvic bone.
University of Michigan Animal Diversity Web
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An illustration based on the real animal.
A little discovery to share.
Orange-lined triggerfish wedge themselves into reef crevices using a dorsal fin spine and their pelvic bone.
THE REAL WORLD
The real Orange-lined triggerfish
- Scientific name
- Balistapus undulatus
- Japanese name
- クマドリ
- Group
- Ocean animals
- Order
- Tetraodontiformes
- Family
- Balistidae
- Genus
- Balistapus
It lives from places such as Hachijojima, Yakushima and the Ryukyu Islands across a wide area of the Indian and Pacific Oceans.
How the Orange-lined triggerfish lives
They eat sea urchins, zooplankton and other animals. They live alone and stay near their home. They are territorial around their nests.
University of Michigan Animal Diversity WebBasic data
- Range
- Indo-Pacific, and elsewhere
Where the Orange-lined triggerfish 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
- クマドリ
- 简体中文
- 钩鳞鲀
- 繁體中文
- 波紋鈎鱗魨
- 한국어
- 오렌지 라인 트리거피쉬
- Français
- Baliste ondulé
- Deutsch
- Orangestreifen-Drückerfisch
- Português (Brasil)
- Cangulo-undulado
- العربية
- سمكة الزند المتموجة
- Русский
- Оранжевополосый балистап
- ไทย
- ปลาวัวลายส้ม
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 — クマドリChecked: 2026-11-04
- University of Michigan Animal Diversity Web — Balistapus undulatusChecked: 2026-11-06
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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