Red Reef Crab
Amazing fact
Red reef crabs have brush-like tufts of hair near the wrists of their claw-bearing limbs.
Naturalis Biodiversity Center
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An illustration based on the real animal.
A little discovery to share.
Red reef crabs have brush-like tufts of hair near the wrists of their claw-bearing limbs.
THE REAL WORLD
The real Red Reef Crab
- Scientific name
- Atergatis subdentatus
- Japanese name
- アカマンジュウガニ
- Group
- Ocean animals
- Class
- Malacostraca
- Order
- Decapoda
- Family
- Xanthidae
- Genus
- Atergatis
A crab endemic to Japan, seen along the coast from Sagami Bay to the Kii Peninsula.
How the Red Reef Crab lives
It lives on rocky reefs in shallow water.
新潟市水族館 マリンピア日本海Basic data
- Range
- Sagami Bay to the coast of the Kii Peninsula
Where the Red Reef 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
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 — アカマンジュウガニChecked: 2026-11-04
- 新潟市水族館 マリンピア日本海 — アカマンジュウガニChecked: 2026-11-07
- Naturalis Biodiversity Center — Atergatis subdentatusChecked: 2026-11-07
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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