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An illustration based on the real animal.
A little discovery to share.
The collector urchin is used as food in Okinawa.
THE REAL WORLD
The real Collector urchin
- Scientific name
- Tripneustes gratilla
- Japanese name
- シラヒゲウニ
- Group
- Ocean animals
- Class
- Echinoidea
- Order
- Camarodonta
- Family
- Toxopneustidae
- Genus
- Tripneustes
It lives south of the Boso Peninsula and Sagami Bay, and in tropical waters of the Indian Ocean and western Pacific.
Basic data
- Diet
- Plant matter
- Range
- Boso Peninsula, south of Sagami Bay, and tropical waters of the Indian Ocean and western Pacific
Where the Collector urchin 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
- シラヒゲウニ
- 简体中文
- 白棘三列海胆
- 繁體中文
- 白棘三列海膽
- 한국어
- 흰수염성게
- Français
- Oursin-bonnet de prêtre
- Deutsch
- Bischofsmützenseeigel
- Português (Brasil)
- Ouriço-do-mar-decorador
- Italiano
- Riccio collezionista
- ไทย
- เม่นแต่งตัว
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 — シラヒゲウニChecked: 2026-11-04
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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