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Ocean animals

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
Temnopleurus toreumaticus in its habitat (illustration)

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An illustration based on the real animal.

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In an Indian study, Sanshou sea urchins tended to have more developed reproductive organs when days were shorter.

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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
Facts about the real animal.
01

It lives from Sagami Bay to Kyushu, and from Niigata southward.

02

It is commonly seen in places such as the shore between high and low tide.

03

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
鳥羽水族館

Where the Temnopleurus toreumaticus has been recorded

World map with dots where the Temnopleurus toreumaticus has been recorded
Each dot marks a place with observations or specimens shared on GBIF. Some records are of animals that strayed or were brought by people, so the dots are not always where the animal lives.

Records: GBIF.org (CC0 and CC BY 4.0 records, retrieved 2026-11-07). Map: Natural EarthSee the records on GBIF

Where it livesJapanCoasts

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

简体中文
细雕刻肋海胆
繁體中文
細雕刻肋海膽
한국어
분지성게

Names come from Wikidata and iNaturalist records. Where a language has no recorded name, we use the scientific name.

Sources and how we check

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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