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Ocean animals

Trichia dromiaeformis

Amazing fact

The Doroishi crab buries itself in mud during the day and barely moves.

市立しものせき水族館 海響館
Trichia dromiaeformis in its habitat (illustration)

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An illustration based on the real animal.

A little discovery to share.

The Doroishi crab buries itself in mud during the day and barely moves.

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THE REAL WORLD

The real Trichia dromiaeformis

Scientific name
Trichia dromiaeformis
Japanese name
ドロイシガニ
Group
Ocean animals
Class
Malacostraca
Order
Decapoda
Family
Xanthidae
Genus
Trichia
Facts about the real animal.
01

It lives from Tokyo Bay to Kyushu.

02

Its whole body is thickly covered with hair, giving it a mud-covered look.

How the Trichia dromiaeformis lives

It starts moving about when it gets dark.

市立しものせき水族館 海響館

Where the Trichia dromiaeformis has been recorded

World map with dots where the Trichia dromiaeformis has been recorded
Each dot marks a place with observations or specimens shared on GBIF. Some records are of animals that strayed or were brought by people, so the dots are not always where the animal lives.

Records: GBIF.org (CC0 and CC BY 4.0 records, retrieved 2026-11-07). Map: Natural EarthSee the records on GBIF

Where it livesJapanOcean

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

简体中文
绵状泡状蟹
繁體中文
綿狀泡狀蟹

Names come from Wikidata and iNaturalist records. Where a language has no recorded name, we use the scientific name.

Sources and how we check

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.

This page was translated from the original Japanese with the help of AI.

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