Laetmonice japonica

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An illustration based on the real animal.
A little discovery to share.
It has scales arranged in pairs on its back.
THE REAL WORLD
The real Laetmonice japonica
- Scientific name
- Laetmonice japonica
- Japanese name
- ニホンウロコムシ
- Group
- Ocean animals
- Class
- Polychaeta
- Order
- Phyllodocida
- Family
- Aphroditidae
- Genus
- Laetmonice
It lives in Japan and nowhere else, in the seas south of Onagawa Bay in Miyagi Prefecture.
Basic data
- Range
- South of Onagawa Bay, Miyagi Prefecture
Where the Laetmonice japonica 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
- ニホンウロコムシ
- 简体中文
- 日本镖毛鳞虫
- 繁體中文
- 日本鏢毛鱗蟲
- 한국어
- 매끈고슴도치갯지렁이
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 — ニホンウロコムシChecked: 2026-11-04
- 仙台市 — 異物について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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