Coscinasterias acutispina
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An illustration based on the real animal.
A little discovery to share.
Yatsude sea stars can regrow their bodies from a detached arm.
THE REAL WORLD
The real Coscinasterias acutispina
- Scientific name
- Coscinasterias acutispina
- Japanese name
- ヤツデヒトデ
- Group
- Ocean animals
- Class
- Asteroidea
- Order
- Forcipulatida
- Family
- Asteriidae
- Genus
- Coscinasterias
A sea star that lives in seas south of the Oga Peninsula and south of the Boso Peninsula.
The number of arms differs from one to another, and the arms often break off at their narrow bases.
How the Coscinasterias acutispina lives
They are often found on rocky shores and seabeds strewn with stones.
新潟大学佐渡自然共生科学センター臨海実験所Basic data
- Range
- South of the Oga Peninsula and south of the Boso Peninsula
Where the Coscinasterias acutispina 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
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 — ヤツデヒトデChecked: 2026-11-04
- 新潟大学佐渡自然共生科学センター臨海実験所 — ヤツデヒトデChecked: 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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