Common hairy crab
Amazing fact
The common hairy crab is the largest member of the hairy crab group found in Japan.
鳥羽水族館
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An illustration based on the real animal.
A little discovery to share.
The common hairy crab is the largest member of the hairy crab group found in Japan.
THE REAL WORLD
The real Common hairy crab
- Scientific name
- Pilumnus tomentosus
- Japanese name
- オオケブカガニ
- Group
- Ocean animals
- Class
- Malacostraca
- Order
- Decapoda
- Family
- Pilumnidae
- Genus
- Pilumnus
A member of the kebukagani (hairy crab) group, found from Tokyo Bay along the coasts to Kyushu and the Amami Islands.
The hair all over its body is thought to help it pass for the algae growing on coral reefs.
Basic data
- Range
- Tokyo Bay, Sagami Bay, and Izu Peninsula to Kyushu coast and Amami Islands
Where the Common hairy crab 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
- オオケブカガニ
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 — オオケブカガニ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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