Coelopleurus undulatus
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An illustration based on the real animal.
A little discovery to share.
The Yamato-benten sea urchin has a low shell with a flat top.
THE REAL WORLD
The real Coelopleurus undulatus
- Scientific name
- Coelopleurus undulatus
- Japanese name
- ヤマトベンテンウニ
- Group
- Ocean animals
- Class
- Echinoidea
- Order
- Arbacioida
- Family
- Arbaciidae
- Genus
- Coelopleurus
How the Coelopleurus undulatus lives
It also lives on rocky seabeds around Jeju Island in Korea.
국립해양생물자원관Basic data
- Range
- Sagami Bay to Kyushu
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
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 — ヤマトベンテンウニChecked: 2026-11-04
- 국립해양생물자원관 — 파동측강성게 Coelopleurus undulatus Mortensen, 1934Checked: 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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