Temnopleurus toreumaticus
Amazing fact
In an Indian study, Sanshou sea urchins tended to have more developed reproductive organs when days were shorter.
ICAR-Central Marine Fisheries Research Institute
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An illustration based on the real animal.
A little discovery to share.
In an Indian study, Sanshou sea urchins tended to have more developed reproductive organs when days were shorter.
THE REAL WORLD
The real Temnopleurus toreumaticus
- Scientific name
- Temnopleurus toreumaticus
- Japanese name
- サンショウウニ
- Group
- Ocean animals
- Class
- Echinoidea
- Order
- Camarodonta
- Family
- Temnopleuridae
- Genus
- Temnopleurus
It is named after the sansho (Japanese pepper) tree, because its shell without spines looks like the tree's bark.
Basic data
- Range
- Sagami Bay to Kyushu and south of Niigata Prefecture
Where the Temnopleurus toreumaticus 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
- サンショウウニ
- 简体中文
- 细雕刻肋海胆
- 繁體中文
- 細雕刻肋海膽
- 한국어
- 분지성게
- ไทย
- เม่นน้ำตาล
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 — サンショウウニChecked: 2026-11-04
- ICAR-Central Marine Fisheries Research Institute — Influence of Sea Surface Temperature on the Gonadal development of Sea urchin Temnopleurus toreumaticus from the Gulf of Mannar, South East Coast of IndiaChecked: 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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