Blue bat star
Amazing fact
The underside of a blue bat star is densely covered with little tubes called tube feet.
鳥羽水族館
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An illustration based on the real animal.
A little discovery to share.
The underside of a blue bat star is densely covered with little tubes called tube feet.
THE REAL WORLD
The real Blue bat star
- Scientific name
- Patiria pectinifera
- Japanese name
- イトマキヒトデ
- Group
- Ocean animals
- Class
- Asteroidea
- Order
- Valvatida
- Family
- Asterinidae
- Genus
- Patiria
A sea star shaped like a thread spool. It is found in the seas from Hokkaido to Kyushu.
Its upper side has red blotches on a blue background, and its colors vary a lot. Its underside is orange.
It moves with tube feet, little tubes tipped with suckers. If it gets flipped over, it can turn itself back using its tube feet.
Basic data
- Range
- Hokkaido to Kyushu
Where the Blue bat 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
- イトマキヒトデ
- 简体中文
- 海燕
- 繁體中文
- 海燕
- 한국어
- 별불가사리
- Português (Brasil)
- Estrela-do-mar-cerúleo
- Italiano
- Stella palmata blu
- Русский
- Гребешковая патирия
Names come from Wikidata and iNaturalist records. Where a language has no recorded name, we use the scientific name.
Sources and how we check
- アクアマリンふくしま — イトマキヒトデChecked: 2026-11-03
- 鳥羽水族館 — イトマキヒトデChecked: 2026-11-03
- 福井県海浜自然センター — イトマキヒトデChecked: 2026-11-03
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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