Blunt Arm Sea Star
Amazing fact
Blunt arm sea stars can have different body colors even within the same species.
沖縄美ら海水族館
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An illustration based on the real animal.
A little discovery to share.
The surface of its body is covered with tiny bumps and feels rough.
THE REAL WORLD
The real Blunt Arm Sea Star
- Scientific name
- Pentaster obtusatus
- Japanese name
- ヒョウモンカワテブクロ
- Group
- Ocean animals
- Class
- Asteroidea
- Order
- Valvatida
- Family
- Oreasteridae
- Genus
- Pentaster
Basic data
- Range
- Indo-West Pacific and Okinawa Island
Where the Blunt Arm Sea Star 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
- ヒョウモンカワテブクロ
- Français
- Étoile trapue granuleuse
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 — ヒョウモンカワテブクロChecked: 2026-11-04
- 沖縄美ら海水族館 — 世界初展示！稀種「ヒョウモンカワテブクロ」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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