Diadema clarki
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An illustration based on the real animal.
A little discovery to share.
Its body color varies greatly.
THE REAL WORLD
The real Diadema clarki
- Scientific name
- Diadema clarki
- Japanese name
- アラサキガンガゼ
- Group
- Ocean animals
- Class
- Echinoidea
- Order
- Diadematoida
- Family
- Diadematidae
- Genus
- Diadema
A sea urchin that lives from south of the Boso and Noto peninsulas to the southern tip of Kyushu.
It used to be confused with the similar aosuji-gangaze, but genetic studies showed it is a separate species.
Basic data
- Range
- South of the Boso and Noto peninsulas to the southern tip of 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
- 日本語
- アラサキガンガゼ
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 — アラサキガンガゼChecked: 2026-11-04
- Food and Agriculture Organization of the United Nations — DNA barcoding and morphological analyses revealed validity of Diadema clarki Ikeda, 1939 (Echinodermata, Echinoidea, Diadematidae)Checked: 2026-11-09
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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