Calasterias toyamensis
Amazing fact
An individual of Calasterias toyamensis was observed splitting again while its regrowing arms were still short.
鳥羽水族館
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An illustration based on the real animal.
A little discovery to share.
It has also been found on the Pacific coast, so it is thought to live over a wide area.
THE REAL WORLD
The real Calasterias toyamensis
- Scientific name
- Calasterias toyamensis
- Japanese name
- トヤマヤツデヒトデ
- Group
- Ocean animals
- Class
- Asteroidea
- Order
- Forcipulatida
- Family
- Asteriidae
- Genus
- Calasterias
It has also been found on the Pacific coast, so it is thought to live over a wide area.
Basic data
- Range
- Sea of Japan off central to northern Honshu
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
- トヤマヤツデヒトデ
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 — トヤマヤツデヒトデChecked: 2026-11-04
- 鳥羽水族館 — 分裂するトヤマヤツデヒトデ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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